00407nam a2200169 a 450000100080000000500110000800800410001910000150006024500270007526000470010230000090014949000310015865000100018965000100019965300080020970000200021718454411992-09-15       1975    bl uuuu     u0uu1 u    #d1 aGEORGE, D.  aFrost damage on wheat.  aPullman: Washington State Universityc1975  a6 p.  a(Extension Circular, 398).  aGeada  aTrigo  aUSA1 aMORRISON, K. J.