共 7 条
[1]
AUERBACH F, 1924, Z UNTERSUCHUNG NAHRU, V48, P272
[3]
GAWEHN K, 1970, Z ANAL CHEM FRESENIU, V252, P222
[4]
Lampitt L. H., 1930, ANALYST, V55, P666
[6]
WERNER W, 1970, Z ANAL CHEM FRESENIU, V252, P224
[7]
WHITE J W JR, 1967, Journal of Apicultural Research, V6, P69