000 00251nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aThomas, A. J.
245 0 _aSoils & Field Drainage.
260 _bHanpenden
_c1975
300 _a80 p
942 _2ddc
999 _c11580
_d11580