共 8 条
[1]
HAWK PB, 1947, PRACTICAL PHYSL CHEM
[2]
JARDINE JT, 1922, USDA B, V790
[3]
JONES TH, 1930, VET REC, V10, P10
[4]
PICKETT AG, 1949, 250 KAN AGR EXP STA
[5]
PISTER WJ, 1950, 87TH P BOOK AM VET M, P154
[6]
SAVAGE DA, 1951, SELF FEEDING SALT ME
[7]
STANLEY EB, 1949, PROGR AGR, P3
[8]
1949, METHODS ANAL