Canadian Theses On Microfilm Catalogue Price List Numbers 1 2450 December 1968

Reference Sources for Canadian Literary Studies offers the first full-scale bibliography of writing on and in the field of Canadian literary studies. Approximately one thousand annotated entries are arranged by reference genre, with sub-groupings related to literary genre.

Jointly published with INRA, Paris. Pesticide resistance is becoming more frequent and widespread with more than 500 insect species known to have become resistant to synthetic insecticides. On the other hand, consumers increasingly demand agricultural products without any pesticide residues. This book, for the first time, shows the alternative: solely physical methods for plant protection by means of thermal, electromagnetic, mechanical and vacuum processes. A glossary rounds up this extremely valuable book.