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History
- Published online February 1, 2019.
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- previous version (October 25, 2018 - 06:38).
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© PDA, Inc. 2019
Author Information
- David R. Machak* and
- Gary L. Smay
- American Glass Research, a Division of AGR International, Inc., 603 Evans City Road, Butler, PA, USA.
- ↵* Corresponding Author: American Glass Research, a Division of AGR International, Inc., 603 Evans City Road, Butler, PA 16001; E-mail: dmachak@agrintl.com