000 00419nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a582441609
084 _a631.46 G1
100 _a"Gray, T R G"
245 0 _aSoil Micro Organisms
250 _a\\197100ENGGPSX
260 _aLongman
260 _b1971
260 _cLondon
300 _aviii+240p
500 _aincludes index and biblioraphy
942 _cBK
999 _c44397
_d44397