000 00321nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHewilt (EJ)
245 0 _asand and water culture methods used in the studey of plant nutrition (T.C. 22) Ed 2.
260 _bAB
260 _c1966
365 _b139.44
942 _cBK
999 _c202025
_d202025