Proceedings of the 4th ICOM Group on Wet organic archaeological materials conference. Info Type: Publication ISBN: 3-927857-32-7. Meeting: ICOM International Committee for Conservation Working Group on Wet Archaeological Materials. Conference, 4th, Bremerhaven, Germany FR, 1990 Place, publisher, year: Bremerhaven : ICOM International Committee for Conservation Working Group on Wet Archaeological Materials, 1991 Notes: Incl. list of participants. Collation: 369 p. ; illus. ; 24 cm Author: Hoffmann, Per (ed.). Year: 1991. Serial type: Book - Monograph - Document Description: conservation.