PROBUS
journal94944
E135904
DE
0921-4771
English:(French and Italian and Portuguese and Spa
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Walter de Gruyter and Company:Genthinerstrasse 13, D 10785 Berlin Germany:011 49 30 260050, EMAIL: customerservice@deguyter.de, INTERNET: http://www.degruyter.de/, Fax: 011 49 30 26005338
1989