000 00356nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.62
100 _aSchwab, G.O.
245 _aTile and surface drainage of clay soils
260 _aWooster
260 _c1985
440 _aNo. 1166; Ohio Agricultural Re
901 _pS37353
942 _cB
_2udc
999 _c135588
_d135588