000 00320nam a2200121Ia 4500
008 170101s2011 xx 000 0 und d
082 _a631.6 R75E
100 _aRoe, Harry Burgess
245 0 _aEngineering for agricultural drainage
260 _aDelhi
_bBiotech Books
_c2011
300 _a23cm. ; 501
942 _2ddc
_cB
999 _c148005
_d148005