F. F. ยท Francis B.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Two Guys From Barnum, Iowa And How They Helped Save Basketball: A History Of U.S. Patent 4,534,556: Paul D. Estlund And Kenneth F. Estlund, ... D. Estlund And Kenneth F. Estlund, Inventors | 978-O-615-18342-8 (O-615-18342-5) | 2008 |