The proof testing of porcelain insulators and the application of acoustic emission /

"June 1974, Final Report."Includes bibliographical references (page 18)Mode of access: Internet

Ultrasonic materials characterization : proceedings of the first International Symposium on Ultrasonic Materials Characterization held at the National Bureau of Standards, Gaithersburg, Md., June 7-9, 1978 /

Item 247.S/N 003-003-02264-1."Issued November 1980.""National Measurement Laboratory, National Bureau of Standards."Includes bibliographical references.Mode of access: Internet

Ultrasonic tissue characterization : proceedings of a seminar held at the National Bureau of Standards, Gaithersburg, Md., May 28-30, 1975 /

Includes bibliographical references and indexes.Mode of access: Internet