Tec-Ease, Inc.

year of pub­li­ca­ti­onISBNauthor(s)title
2009978-0-9792781-6-7Don DayY14. 5-2009 GD&T Hierarchy Textbook
  ''978-0-9792781-7-4   ''The GD&T Hierarchy Pocket Guide - Y14.5-2009 (The GD&T Hierarchy Collection on Geometric Dimensionin
  ''978-0-9792781-8-1   ''Workbook to accompany The GD&T Hierarchy Y14.5-2009 Textbook (The Hierarchy of Geometric Dimensionin