000 00252 a2200133 4500
080 _a633.11(072)
_bW 556 P
245 1 _aProceedings
260 _c1969
650 _aWheat
650 _aAgronomy
100 _a
_d
300 _a73 p.
901 _a121507
999 _c84773
_d84773