1. Egg necropsy techniques;Joyner,1991
2. Egg size, fertility, hatchability and chick survivability in captive California condors;Harvey;Zoo Biol,2004
3. The Hatchability of Chicken Eggs as Influenced by Environment and Heredity. Monograph 1 (Revised);Landauer,1967
4. Pathogenesis of the Avian Embryo: An Analysis of Causes of Malformations and Prenatal Death;Romanoff,1972
5. Artificial incubation of Maleo, Macrocephalon maleo, eggs at the Bronx Zoo/Wildlife Conservation Society, New York;Cornejo;Int Zoo Yb,2013