1. ANL/NBS, Hot Steel NDT Method Announced by ArgonneMetal Progress, p. 24 (March 1987).
2. ANSI/ASME MFC-5M-1985Measurement of Liquid Flow in Closed Conduits Using Transit-Time Ultrasonic Flowmeters, available from Amer. Soc. Mech. Engrs., 345 E. 47th St., NY 10017(1985).
3. ARINC (Aeronautical Radio, Inc.) Airlines Electronic Engineering Committee, AEEC Letter 86–036/FQS-01 (March 25, 1986).
4. ASNTFifth Annual NDT Buyer's Guide: Manufacturers' and Distributors' Listings for NDT Equipment and Supplies 45(6), pp. 641–714 (June 1987).
5. ASTM, STP 505Acoustic Emission (1972).