Telephony; Volume 74

Chemical Regulation: Observations on Improving the Toxic Substances Control Act: GAO-10-292T

Programming Language: Defense Policies and Plans for Implementing Ada: IMTEC-91-70BR

Audit Guide: Auditing and Investigating the Internal Control of Government Purchase Card Programs: GAO-04-87G

Trucking Regulation: Price Competition and Market Structure in the Trucking Industry: RCED-87-16

Rangeland Management: Profile of the Bureau of Land Management's Grazing Allotments and Permits: RCED-92-213FS

Element distribution in some Paleozoic black shales and associated rocks: USGS Bulletin 1214-G

Longer Combination Trucks: Potential Infrastructure Impacts, Productivity Benefits, and Safety Concerns: Rced-94-106

Medical Devices: FDA's 510(k) Operations Could Be Improved: PEMD-88-14