Tec-Ease, Inc.

year of pub­li­ca­ti­onISBNauthor(s)title
2009978-0-9792781-6-7Don Day · Inc. Tec-EaseY14. 5-2009 GD&T Hierarchy Textbook
  ''978-0-9792781-7-4   ''Y14. 5-2009 GD&T Hierarchy Pocket Guide
  ''978-0-9792781-8-1Don DayWorkbook to accompany The GD&T Hierarchy Y14.5-2009 Textbook (The Hierarchy of Geometric Dimensionin