Grunwald, W.: Einheitsklassifikation "Physik" (1978)
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- Source
- Die wissenschaftliche Bibliothek 1977: Sacherschließung, Arbeitsplatz, Mitbestimmung, Ausbildung. 67. Dt. Bibliothekartag in Bremen vom 31.5-4.6.1977. Hrsg.: A. Habermann u.a