Gregory J. Gbur
Gregory J. Gbur has written at least 2 books. Their most popular book is Falling Felines and Fundamental Physics with 2 saves with an average rating of 3⭐.
Gregory J. Gbur has written at least 2 books. Their most popular book is Falling Felines and Fundamental Physics with 2 saves with an average rating of 3⭐.
 Falling Felines and Fundamental Physics Falling Felines and Fundamental Physics
| 2 reads |
 Invisibility Invisibility: The History and Science of How Not to Be Seen
| 0 reads |