000 00400 a2200145 4500
082 _a631.4
_bTHE
090 _c25222
_d42332
100 _aThenababu, Mervyn W.
245 _aSoil and soil coservation in Sri Lanka
260 _aColombo
_bNatural Resources, Energy and Science
_c1988
_g1988
300 _a113p.
_c21cm
440 _aScience Education Series No.28
650 _asoil Science
942 _cL
999 _c52205
_d52205