共 22 条
[1]
BERESKIN B, 1963, THESIS IOWA STAT U
[2]
BONNIER G, 1948, ACTA AGR SUEC, V111, P1
[3]
FALCONER DS, 1960, INTRODUCTION QUANTIT
[4]
HANCOCK J, 1953, NZJ SCI TECHN, VA 35, P67
[6]
HEADY EO, 1964, 529 IOW AGR HOM EC R
[8]
KELLEHER DJL, 1964, THESIS IOWA STATE U
[9]
LAMB RC, 1966, J DAIRY SCI, V49, P735