000 00313 am a2200121 a 4500
100 1 _aGrant, P.M.
245 1 _aTrace element deficiencies in kalahari sands
260 _aSalisbury
_c1960
300 _a1-3 p.
942 _2udc
_cB
440 _aFederal Ministry of Agriculture. Bulletin No. 7653
901 _aS7653
999 _c110223
_d110223