History & previous meeting
International Hatchery Practice, 2(4) - 1987.
The physiological basis of egg turning in birds, D. C. Deeming, p.33.
A culture system for chick embryos from fertilised ovum to hatch, M. M. Perry, p. 33.
Storage of fertilised quail eggs in carbon dioxide, A. L.-C. Wong, p. 33.