Wingren, Roy Matthew
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 88150
Roy Matthew Wingren Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Problems on the design of machine elements | 1934 | Author | |  | | | | ||