Search for: Title Author Subject Control Number Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Physical Measurement Services Program (National Institute of Standards and Technology) -- SEE ALSO earlier heading: National Measurement Laboratory (U.S.). Office of Physical Measurement Services 1 Physician 1 Physician Assistant Education Association 1 Physician Task Force on Hunger in America 1 Physics Laboratory (U.S.). 1 Physics Laboratory (U.S.). Optical Frequency Measurement Group 1 Physics Laboratory (U.S.). Time and Frequency Division. Optical Frequency Measurement Group -- SEE: Physics Laboratory (U.S.). Optical Frequency Measurement Group 1 Physioc, Cathe 1 Phythian, B. A. 1 Phythian, Brian Arthur -- SEE: Phythian, B. A. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >