共 15 条
[4]
USE OF CARBON-14 AS A SECONDARY COUNTING STANDARD FOR SULPHUR-35
[J].
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES,
1971, 22 (01)
:41-&
[5]
BUSH IE, 1961, CHROMATOGRAPHY STERI, P375
[6]
ELCE J S, 1970, Biochemical Journal, V116, P913
[8]
Fieser L. M, 1967, REAGENTS ORGANIC SYN, V1, P729