000 00422cam a2200169ua 4500
041 _aeng
_h
082 _a631.45
_bHUD/SO
100 _aHudson , Norman .
245 _aSoil conservation /
_cNorman Hudson.
_hTextual Documents
250 _a2 /
_b.
260 _aLondon :
_bEnglish Language Book Society ,
_c1981.
300 _a324 ; .
500 _aReference **
504 _a
942 _cBK
999 _c32008
_d32008