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008150407r19581955oncao|||o    f000 0 eng d
040 |aCaOODSP|beng
043 |an-cn---
0861 |aA43-940/1955E-PDF
1001 |aTwinn, C. R.
24510|aControl of black flies in Canada |h[electronic resource] / |cby C.R. Twinn and D.G. Peterson.
260 |aOttawa : |bCanada Department of Agriculture : |bScience Service, Entomology Branch, |c1955 |g(1958 printing).
300 |a9 p. : |bill.
500 |a"Issued April 1955, Reprinted February 1958".
500 |aHistorical publication digitized by Agriculture and Agri-Food Canada.
500 |aIssued also in French under title: La répression des mouches noires au Canada.
590 |a15-02-Supp|b2015-02-16
69007|aAgricultural technology|2gcpds
69007|aCrops|2gcpds
69007|aPesticides|2gcpds
7001 |aPeterson, D. G.
7101 |aCanada.|bDepartment of Agriculture.
7101 |aCanada.|bDivision of Entomology.
77508|tLa répression des mouches noires au Canada |w(CaOODSP)9.644168
85640|ahttp://publications.gc.ca|qPDF|s1079 KB|uhttps://publications.gc.ca/collections/collection_2015/aac-aafc/A43-940-1955-eng.pdf