00494nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067245008400076300001600160500006200176650002000238700001800258700002500276700002300301Para_7234CHAP220125s9999    xx            000 0 und d  a206120  cCHAP  aSome plant diseases observed in Mexico in 1958 /c William D. Yerkes [ et. al.]  app. 500-503  aSobretiro de: Plant disease reporter 43(4): 500-503, 1959  aFitopatología  aBorlaug, N.E.  aNiederhauser, J. S.   aYerkes William D.