004060000a22001450004500060000800000082002100008100001800029245006500047260006600112260000900178300000800187490002100195490001700216650002700233 a100 a589.905 2482 VIN aVincent, J.M. aManual for the practical study of the root - nodule bacteria aLondon, International biological programme, 7 marylebone road c1970 a164 a15cIBP Handbook aIBP Handbook aRhizobia/ bacteriology