Hartmut Walravens
Hartmut Walravens (born 1944) is a German librarian. He was the director of the International ISBN Agency ?-2006 and the International ISMN Agency ?-2006. He is presently Chairman of the International ISMN Agency 2006–present. Provided by Wikipedia-
1Published: München [u.a.] | Saur | 1995Book
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