000			00368nam a22001457a 4500
003			USJPLib
008			170817b xxu||||| |||| 00| 0 eng d
041			_aEng.
082			_a631.4 _bRIC
100			_aRichards, B. N. _95316
245			_aIntroduction to the soil ecosystem
260			_aEssex _bLongman _c1974
300			_ax, 266 p. _bill. _c22 cm.
942			_2ddc _cLM
999			_c142380 _d142380