TY - JA AU - Swingle,M.C. AU - Phillips,A.M. AU - Gahan,J.B. TI - Laboratory testing of natural and synthetic organic substances as insecticides PY - 1941/// N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0022-0493 T2 - Journal of Economic Entomology ER -