Directory of United States Government Periodicals and Subscription Publications: February 1972
Publication month:
11
Publication frequency:
[Weekly, with separate volume index. Issued by Agricultural Research Service and classified A 77.324: (v. nos. & nos.), prior to v. 21, no. 45-48, Nov. 1971.]
Printer:
([Economic Insect Survey and Detection Staff], Plant Protection and Quarantine Programs, Animal and Plant Health Service, Agriculture Department, Hyattsville, Md.)