00400naa a2200145 a 450000100080000000500110000800800410001910000190006024500490007926000090012865300200013765300100015770000200016777300670018710497202006-11-14       1970    bl ---       0--  u    #d1 aHEICHEL, G. H.  aPhotosynthetic response to drought in maize.  c1970  aBiometeorologia  aClima1 aMUSGRAVE, R. B.  tThe Philippine Agriculturistgv.54, p.102-114, Aug./Sep. 1970.