000 00304nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aA. Shiv Raj
245 3 _aAn Introduction to Physiology of Field Crops
260 _b"Europlan Nitrogen Service Programme, New York"
365 _b13.50
942 _cBK
999 _c202066
_d202066