References
- Landauer , W. 1967 . The Hatchability of Chicken Eggs as Influenced by Environment and Heredity, , Connecticut : Storrs Agricultural Experimental Station . Monograph 1 (revised)
- Laughlin , K.F. and Lundy , H. 1976 . The influence of sample size on the choice of method and interpretation of incubation experiments. . British Poultry Science, , 17 : 53 – 57 .