United States. Food and Drug Administration.
Pesticide analytical manual, volume 1 : methods which detect multiple residues / U.S. Food & Drug Administration. - 2nd ed. revised. - United States : Dept. of Health, Education & Welfare, [1968]. - [various pagings].
Volume 1 of 2 volumes.
Pesticides--Handbooks, manuals, etc.
Pesticide analytical manual, volume 1 : methods which detect multiple residues / U.S. Food & Drug Administration. - 2nd ed. revised. - United States : Dept. of Health, Education & Welfare, [1968]. - [various pagings].
Volume 1 of 2 volumes.
Pesticides--Handbooks, manuals, etc.