Henkel-Referate : International Edition.
Henkel-Referate : International Edition.
- Dusseldorf : Henkel KGaA, 1990.
- 128 s. : il. ; 24 cm.
- (Excerpts of Henkel Research Papers) nr 33 ISSN 0720-9428 .
bibliogr.
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bibliogr.
54