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Lehmann, K.-D.: ¬Die elektronische Informationskette (1991)
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- Source
- Dialog mit Bibliotheken. 3(1991) H.2, S.8-17
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Lehmann, K.-D.: Bericht der Deutschen Bibliothek Frankfurt am Main vor der 166. Hauptversammlung des Börsenvereins des Deutschen Buchhandels am 12. Mai in der Bonner Beethovenhalle (1993)
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- Börsenblatt. Nr.31 vom 20.4.1993, S