| LC control no. | n 83025684 |
|---|---|
| Descriptive conventions | rda |
| Personal name heading | Helten, Elmar, 1939- |
| Variant(s) | Helten, Michael Elmar |
| Birth date | 1939 |
| Found in | His Zur Kalkülisierung der Wirtschaftskybernetik, 1967. Information from 678 converted Dec. 15, 2014 (Diplom-Mathematiker) |
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