References
- McLeese , D.W. , Zitko , V. , Metcalfe , C.D. and Sergeant , D.B. 1980 . Chemo‐sphere , 9 : 79 – 82 .
- Nigam , P.C. 1980 . Canada‐United States Spruce Budworm Program Newsletter , 11 : 1 – 3 .
- Sundaram , K.M.S. , Szeto , S.Y. and Hindle , R. 1979 . J. Chromatogr. , 177 : 29 – 34 .
- Szeto , S.Y. and Holmes , S.B. 1982 . J. Environ. Sci. Health , B17 : 51 – 61 .
- Szeto , S.Y. and Sundaram , K.M.S. 1980 . J. Chromatogr , 200 : 179 – 184 .
- Present Address: Agriculture Canada, Research Station, 6600 NW Marine Drive Vancouver, British Columbia V6T 1X2