TY - BOOK AU - Hill,W.G. TI - Estimation of genetic change: W.G.Hill PY - 1972/// CY - London PB - Morrison and Gibb KW - Genetics KW - Livestock N1 - Reprinted from animal breeding abstracts,vol40. no.2. pp.193-213; 1.General theory and design of control populations, 2.Experimental evaluation of control populations ER -