共 31 条
[7]
DOBEREINER J, 1976, 1ST P INT S NITR FIX, P518
[9]
THE INFECTION OF CLOVER ROOT HAIRS BY NODULE BACTERIA STUDIED BY A SIMPLE GLASS SLIDE TECHNIQUE
[J].
JOURNAL OF GENERAL MICROBIOLOGY,
1957, 16 (02)
:374-&
[10]
HANSON RS, 1981, MANUAL METHODS GENER, P328