000 00298nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aMartin (JH) etc
245 0 _aPrinciples of filed crop prodction Ed 3
260 _b"Macinllan, New York"
260 _c1976
365 _b63.70
942 _cBK
999 _c201565
_d201565