00632nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067245017800076260005500254300001000309440004900319650008800368700001800456Para_4202CHAP220125s1930    xx            000 0 und d  a202750  cCHAP  aSurface tension, surface activity, and wetting abilyty as factors in the performance of contact insecticides :b studies of contact Insecticides I  /c W. C. O'kane [et.al.]  aDurham, N. H.  :b Agricultural Experiment Station  a42 p.  aNew Hampshire Agri. Exp. Sta. Tech. Bull; 39  aInsectos x Efecto de la humedad  Insecticidas x Pruebas  Insecticidas de contacto  aO'kane, W. C.