000 00314nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4:631.95
_bRIC
100 _aRICHARDS, B N
245 0 _aIntroduction to the soil ecosystems
260 _aNew York
_bLongman
_c1974
650 _aSoil ecosystem
942 _cBK
999 _c27203
_d27203