000 00328 a2200133 4500
080 _a576.6(063)
_bS 678 S
100 _a
_d
245 1 _aSymbiotic associations
_bProceedings
260 _aLondon
_c1963
300 _a1-356 p.
440 _aCambridge Society of General Microbiology. 1963
650 _aSymbiosis
901 _a72354
999 _c33222
_d33222