@PHDTHESIS{klitz2013, url = "http://www.theses.fr/2013REN1S073", title = "Yttrium and aluminum catalysts and model complexes for ring-opening polymerization of lactide and β-butyrolactone", author = "Klitzke, Joice", year = "2013", note = "Thèse de doctorat dirigée par Carpentier, Jean-François et Casagrande Jr., Osvaldo de Lázaro Chimie Rennes 1 2013", note = "Thèse de doctorat Chimie Universidade do Rio Grande do Sul -- Porto Alegre (Brésil) 2013", note = "2013REN1S073", url = "http://www.theses.fr/2013REN1S073/document", }