E.E. " · E. Elder · Keith E. Elder PE
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Six-Minute Solutions for Mechanical PE Exam HVAC and Refrigeration Problems | 978-1-59126-146-9 (1-59126-146-5) | 2008 |
| Six-Minute Solutions for Mechanical PE Exam HVAC and Refrigeration Problems | 978-1-59126-013-4 (1-59126-013-2) | 2005 |