Bacillus thuringiensis: its Quality
National Research Council of Canada.NRC Associate Committee
Bacillus thuringiensis: its Quality - 1976 - 134p - Its publication, no.NRCC 15385 .
FORESTRY RESEARCH
FORESTRY RESEARCH TREES -- - DISEASES AND PESTS
634.963 N28B
Bacillus thuringiensis: its Quality - 1976 - 134p - Its publication, no.NRCC 15385 .
FORESTRY RESEARCH
FORESTRY RESEARCH TREES -- - DISEASES AND PESTS
634.963 N28B