000 00274nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aJohn Milton
245 0 _aBreeding field crops
260 _b"Holt, Rinehart"
260 _c1966
365 _b
_12.50
942 _cBK
999 _c196482
_d196482