@book{8518,
	author = {Coastal Training Technologies Corp.},
	title = {Measuring external and internal threads},
	publisher = {Coastal Training Technologies Corp.},
	address = {Virginia Beach, Va.:},
	note = {When interchangeability is important, threads must be measured agaist the tolerances of a standardized system such as the Unified. This video program will show how to measure internal and external Unified screw threads.}
}