Genetic growth differentiation in guinea pigs
McPhee, H.C., Eaton, O.N.
Genetic growth differentiation in guinea pigs - Washington 1931 - 1-36 p. - Pigs United States Department of Agriculture. Technical Bulletin No. 222 .
Genetic growth differentiation in guinea pigs - Washington 1931 - 1-36 p. - Pigs United States Department of Agriculture. Technical Bulletin No. 222 .