共 8 条
[1]
CAMPBELL JE, 1959, J AMER PUBL HEALTH, V49, P225
[2]
HARLEY JH, 1957, NYO4700 US AT EN COM
[4]
MARTELL EA, 1956, AECU3262 US AT EN CO
[5]
OVERMAN OR, 1953, ILLINOIS AGR EXPT ST, V567
[6]
WHITNEY IB, 1957, CHEM ENG NEWS, V35, P45
[7]
1955, OFFICIAL TENTATIVE M, P342
[8]
1957, ATOMIC ENERGY CANADA