1. Egg and water movements during incubation;Ar,1991
2. Effect of temperature, humidity and other factors on hatch of hen’s eggs and on energy metabolism of chick embryo;Barott,1937
3. Further refinements in the incubation and hatching of ratites;Brake;Ostrich News,1994
4. Mortality in near-term ostrich embryos during artificial incubation;Brown;Br. Poult. Sci.,1996
5. Ostrich eggs in artificial incubators: Could their hatching success be improved? S;Burger;Afr. J. Sci.,1981