References
- Anderson , G. B. and Garter , T. G. 1976 . The hen's egg: shell cracking at impact on a heavy, stiff body and factors that affect it . Br. Poult. Sci. , 17 : 613 – 626 .
- Carter , T. C. 1974 . The hen's egg: estimation of shell superficial area and egg volume from four shell measurements . Br. Poult. Sci. , 15 : 507 – 511 .
- Caunt , G. W. 1914 . An Introduction to the Infinitesimal Calculus, with Applications to Mechanics and Physics , Oxford : Clarendon Press .
- Hammerle , J. R. 1969 . Evaluation of shell strength through experimental stress analysis . Trans. Am. Soc. agric. Engrs , 12 : 703 – 705 .
- Hammerle , J. R. and Mohsenin , N. N. 1967 . Determination and analysis of failure stresses in egg shells . J. agric. Engng Res. , 12 : 13 – 21 .
- Hunt , J. R. and Voisey , P. W. 1966 . Physical properties of egg shells. 1. Relationship of resistance to compression and force at failure of egg shells . Poult. Sci. , 45 : 1398 – 1404 .
- McRae , D. C. and Duff , J. W. 1969 . The measurement of compression stress in eggshells . J. agric. Engng Res. , 14 : 1 – 10 .