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Publication date: 1. Nov 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA
Publication date: 1. Sep 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA
Publication date: 1. Jul 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA
Publication date: 1. May 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA
Publication date: 1. Mar 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA
Publication date: 1. Jan 1991Language: EnglishISSN (print) 0893-2174ISSN (online) 1942-4426QP USA