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008 220204s9999 xx 000 0 und d
082 _a631.461
_bWAL
100 _aWALKER, N
245 0 _aSoil microbiology
260 _aLondon
_bButterworth
_c1975
650 _aSoil microbiology
942 _cBK
999 _c25221
_d25221