Simon, H. (Helmut), 1894–
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- Open Library: OL143104A
- pdbooks.info ID: 73344
H. (Helmut) Simon Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| Lichtelektrische Zellen und ihre Anwendung | 1932 | Author | |  |  | | | ||