Watanabe, H.; Rossiter, W. J., Jr.
view article (9.9981365)
Pulse-Echo Ultrasonic Evaluation of the Integrity of Seams of Single-Ply Roofing Membranes: Laboratory Evaluation of a Prototype Test Apparatus.
Takenaka Corp., Tokyo, Japan; National Institute of Standards and Technology, Gaithersburg, MD
Naval Facilities Engineering Command, Port Hueneme, CA,
NISTIR 4424,
December 1990,
46 p.