000 00335nam a2200133Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.523
100 _aPOEHLMAN, John Milton
245 0 _aBreeding field crops
260 _aU.S.A
_bAvi publishing company
_c1977
300 _a427p. 0-87055-251-1
942 _cLL
999 _c1245
_d1245