doi> Motta, Lucimar S. ; Ramos, Isabela B. ; Gomes, Fabio M. ; de Souza, Wanderley ; Champagne, Donald E. ; Santiago, Marcelo F. ; Docampo, Roberto ; Miranda, Kildare ; Machado, Ednildo A. . Proton-pyrophosphatase and polyphosphate in acidocalcisome-like vesicles from oocytes and eggs of Periplaneta americana. Insect Biochemistry and Molecular Biology, v. 39, p. 198-206, 2009.