Measurement with a QM-1 in Crack Propagation

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Questar advertisement, <em>Scientific American</em>, September 1985 — Questar advertisement, *Scientific American*, September 1985. Questar Corporation

Scientific American, September 1985, 127.
Scientific American, December 1985, 24.
Scientific American, February 1986, 27.
Scientific American, August 1986, 119.
Scientific American, January 1987, 126.
Scientific American, March 1988, 123.

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Questar advertisement, <em>Lasers & Applications</em>, December 1985 — Questar advertisement, *Lasers & Applications*, December 1985. Questar Corporation via archive.org

Lasers & Applications (Lasers & Optronics), December 1985, 108.