00571nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001900076100002200095245010100117260005000218300001000268440001700278500004600295650004800341Para_3315CHAP220125s1918    xx            000 0 und d  a199606  cCHAP  aPA-C 595.77 D5  aSherman, Franklin  aHessian fly in wheat :b control methods and safe dates for sowing seed  /c by Franklin Sherman  aNorth Carolina  :b Department of Agriculture  a31 p.  aDíptera; 7  aEncuadernado con otros impresos similares  aDípteros  Control biológico de insectos