000 00299 a2200133 4500
082 _a631.4
_bSy68
100 _aPhillipson, J.
245 1 _aMETHODS OF STUDY IN SOIL ECOLOGY
260 _aParis
_bUnesco
_c197-
300 _a303
650 _aSoil Science
964 _gCIRC
997 _aA44423 s C
999 _c461930
_d461930