TY - JOUR T1 - Production of two brood pears from one dung ball in an african ball-roller, Scarabaeus aegyptiorum (Coleoptera, Scarabaeidae) JF - Kontyu Y1 - 1986 A1 - Sato, H. A1 - Imamori, Mitsuhiko SP - 381 EP - 385 VL - 54 ER -