diff --git a/quad10/historia/treball/references.bib b/quad10/historia/treball/references.bib
new file mode 100644
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+@book{shoulders,
+  title = {Isaac Newton letter to Robert Hooke},
+  editor = {Newton, Isaac},
+  url = {https://digitallibrary.hsp.org/index.php/Detail/objects/9792},
+  year = {1675},
+  urldate = {2022-06}
+}
+
+@book{Boyer1991-jn,
+  title     = "A history of mathematics",
+  author    = "Boyer, Carl B. and Merzbach, Uta C.",
+  publisher = "John Wiley \& Sons",
+  edition   =  2,
+  month     =  mar,
+  year      =  1991,
+  address   = "Nashville, TN"
+}
+
+@book{pask,
+  title     = "Magnificent Principia",
+  author    = "Pask, Colin",
+  publisher = "Prometheus Books",
+  month     =  sep,
+  year      =  2013,
+  address   = "Amherst, NY"
+}
+
+@book{hawking,
+  title     = "On the shoulders of giants. Principia",
+  author    = "Newton, Isaac",
+  editor    = "Hawking, Stephen",
+  publisher = "Running Press",
+  month     =  jan,
+  year      =  2005,
+  address   = "Philadelphia, PA"
+}
+
+@book{bryson,
+  title = "Una breve historia de casi todo",
+  author = "Bryson, Bill",
+  publisher = "RBA Libros",
+  month = jul,
+  year = 2004,
+  address = "Barcelona"
+}
+
+@book{westfall,
+  title = "Isaac Newton: una vida",
+  author = "Westfall, Richard S.",
+  publisher = "Cambridge University Press",
+  year = 1996,
+  address = "England",
+  pages = "198--238"
+}
+
+@book{chatelet,
+  language = {Français},
+  publisher = {Gabay},
+  title = {Principes mathématiques de la philosophie naturelle},
+  year = {1759},
+  keywords = {Filosofia de la natura},
+  author = {du Châtelet, Émilie}
+}
+
+@misc{aristotil,
+  author = "Viquip{\`e}dia",
+  title = "Física aristotèlica --- {V}iquip{\`e}dia{,} l'enciclop{\`e}dia lliure",
+  year = "2022",
+  url = "https://ca.wikipedia.org/w/index.php?title=Física_aristotèlica\&oldid=29173588",
+  urldate = {2022-06}
+}
+
+@article{montesinos,
+  author = "Montesinos Sirera, José L.",
+  title = "Fluxiones, infinitesimales y fuerzas vivas. Un panorama leibniziano.",
+  journal = "Thémata. Revista de filosofía",
+  year = 2009,
+  month = dec,
+  number = "42",
+  pages = "77--106",
+  url = "https://revistascientificas.us.es/index.php/themata/article/view/550"
+}
+
+@misc{elementstp,
+ author = "Wikimedia Commons",
+ title = "File:Title page of Sir Henry Billingsley's first English version of Euclid's Elements, 1570 (560x900).jpg --- Wikimedia Commons{,} the free media repository",
+ year = "2021",
+ url = "https://commons.wikimedia.org/w/index.php?title=File:Title_page_of_Sir_Henry_Billingsley\%27s_first_English_version_of_Euclid\%27s_Elements,_1570_(560x900).jpg\&oldid=610561027",
+ urldate = "2022-06"
+}
+
+@article{pourciau,
+  title = {Newton and the Notion of Limit},
+  journal = {Historia Mathematica},
+  volume = {28},
+  number = {1},
+  pages = {18-30},
+  year = {2001},
+  issn = {0315-0860},
+  doi = {https://doi.org/10.1006/hmat.2000.2301},
+  url = {https://www.sciencedirect.com/science/article/pii/S0315086000923012},
+  author = {Bruce Pourciau},
+}
+
+@inproceedings{ferraro,
+  TITLE = {{Some mathematical aspects of Newton's Principia}},
+  AUTHOR = {Ferraro, Giovanni},
+  URL = {https://halshs.archives-ouvertes.fr/halshs-00655601},
+  BOOKTITLE = {{Newton and the method of the last and ultimate ratios}},
+  ADDRESS = {Campobasso, Italy},
+  YEAR = {2010},
+  MONTH = Nov,
+  KEYWORDS = {Newton ; limit ; last and ultimate ratios ; figures},
+  PDF = {https://halshs.archives-ouvertes.fr/halshs-00655601/file/Newton_and_ultimate_ratios_HAL-SHS.pdf},
+  HAL_ID = {halshs-00655601},
+  HAL_VERSION = {v1},
+}
+
+@misc{newtonportrait,
+ author = "Wikimedia Commons",
+ title = "File:Portrait of Sir Isaac Newton, 1689.jpg --- Wikimedia Commons{,} the free media repository",
+ year = "2022",
+ url = "https://commons.wikimedia.org/w/index.php?title=File:Portrait_of_Sir_Isaac_Newton,_1689.jpg\&oldid=661723214",
+ urldate = "2022-06"
+}
+
+@misc{principiatitle,
+ author = "Wikimedia Commons",
+ title = "File:Prinicipia-title.png --- Wikimedia Commons{,} the free media repository",
+ year = "2022",
+ url = "https://commons.wikimedia.org/w/index.php?title=File:Prinicipia-title.png\&oldid=665089347",
+  urldate = "2022-06"
+}
+
+@mastersthesis{comolet,
+  author = "Laetitia Comolet-Tirman",
+  title = "La publication des Principes mathématiques de la philosophie naturelle, par Emilie du Châtelet, femme de science au XVIIIe siècle",
+  year = 2017,
+  month = sep,
+  type = "Tesi de màster",
+  school = "Université de Lyon"
+}