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1.
Chemistry and uses of insecticides by E.R. De Ong by
Material type: Text Text
Language: English
Publication details: New York : Reinhold Publishing , 1948
Availability: Items available for loan: NFLIC-FRI Library (2)Call number: 632.9517 ONG/C, ...

2.
Insect-fungus and weed control by
Material type: Text Text
Publication details: New York : Chemical Publishing, 1953
Availability: Items available for loan: NFLIC-FRI Library (1)Call number: 632.95 ONG/I.

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