Characterization and properties of acid phosphatases with phytase activity produced by Aspergillus caespitosus - Guimarães, Luis Henrique Souza; Terenzi, Héctor Francisco; Jorge, João Atílio; Leone, Francisco de Assis; Polizeli, Maria de Lourdes Teixeira de Moraes (Biotechnology and Applied Biochemistry, 2004)