000 00311nam a2200133Ia 4500
008 160316s1959 xxu||||| |||| 00| 0 eng d
020 _a
100 _aHelmut Kohnke
245 _aSoil Conservation
250 _a1st
260 _aLONDON
_bMC GRAW - HILL BOOK COMPANY, INC
_c1959
300 _a298
700 _a
_a
999 _c35123
_d35123