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SWARTLING P, 1956, 14TH P INT DAIR C 1, V2, P473
[12]
WOOD F. W., 1956, CANADIAN JOUR AGRIC SCI, V36, P422
[13]
WOOD F. W., 1956, CANADIAN DAIRY AND ICE CREAM JOUR, V35, P48
[14]
WOOD FW, 1956, 14TH P INT DAIR C 1, V2, P532
[15]
1952, 75 BERETNING