000 00475 a2200157 4500
082 _a631.4
_bTHE
090 _c21708
_d33862
100 _aThenabadu, Mervyn W.
245 _aSoil and soil conservation in Sri Lanka
260 _aColombo
_bNatural Resources Energy & Sciences
_c1988
_g1988
300 _a[vii],112p.
_c21cm
440 _aSciences education series No.28
650 _aSoil science
650 _aSpecific techniques; apparatus, equipment,materials
942 _cL
999 _c49159
_d49159