000 00376nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aBacon, C.W., Leighty, W.R.
245 _aBoron, copper, manganese and zinc requirement tests of tobacco
260 _aWashington
_c1950
300 _a1-27 p.
440 _aUnited States Department of A
901 _a29921
942 _cB
_2udc
999 _c5855
_d5855