armed forces communications and electronics association (u.s.)

geological survey (u.s.) (2)

national foreign assessment center (u.s.)

naval historical center (u.s.) (1)

U.S. Environmental Protection Agency.

U. S. Environmental Protection Agency.

著者: sponsored by U. S. EPA.

著者: U.S. Department of Agriculture.

出版社: U.S. Govt. Print. Off., 出版日期: 1975.

Basic electronics / 订购中

著者: Prepared by the U. S. Navy (Bureau of Naval Personnel).

出版社: Dover Publications, 出版日期: [1973]

文献类型: 图书 , 索书号: TN01/B297

著者: U.S. Department of Transportation Federal Aviation Administration Flight Standards Service.

著者: Compiled by the Committee on Public Works U.S. House of Representatives.

出版社: U.S. Govt. Print. Off., 出版日期: 1970.

著者: sponsored by the U.S. Department of Energy IEEE Electrical Insulation Society [and] National Bureau of Standards.

U.S. Department of Commerce.

著者: prepared for U.S. Dept. of Defense ; by Office of Naval Research Project LEX in joint operation with Engineers Joint Council.