00000nam##2200000za#4500 9.700442 CaOODSP 20250506145324 cr ||||||||||| 150407|1990||||xxc|||||o f|0| 0 eng|d CaOODSP eng n-cn--- A43-1835/1989E-PDF Canada. Agriculture Canada. Aphids infesting crucifers in Canada / [electronic resource] [by] D.G.R. McLeod, D.T. Lowery. Agriculture Canada 1990. 18p. coloured illus. Historical publication digitized by Agriculture and Agri-Food Canada. Bibliography. 15-03-Supp 2015-03-13 McLeod, D. G. R. Lowery, D. T. Pucerons infestant les crucifères au Canada / (CaOODSP)9.644334 http://publications.gc.ca PDF 1094 KB https://publications.gc.ca/collections/collection_2015/aac-aafc/A43-1835-1989-eng.pdf Publication 1835/E