Castellana, Natàlia The works of Daniel G. Quillen. (Spanish) Zbl 1221.01107 Gac. R. Soc. Mat. Esp. 11, No. 3, 573-588 (2008). MSC: 01A70 Biographies, obituaries, personalia, bibliographies PDF BibTeX XML Cite \textit{N. Castellana}, Gac. R. Soc. Mat. Esp. 11, No. 3, 573--588 (2008; Zbl 1221.01107)