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591 documents found.
Published:
| Leutzbach, W. & Ernst, R.
Published:
| Irving, A.
Published:
| Irving, A.
Published:
| Schreuder, D.A.
Published:
| Schreuder, D.A.
Published:
| Schreuder, D.A.
Published:
| Schreuder, D.A.
Published:
| Beirlaen, R.
Published:
| Comite nationale Belge de 1'eclairage (CNBE) / Belgisch Nationaal Comite voor Verlichtingskunde (CNBE)