by VATER, WULF., 5090 LEVERKUSEN, WEHINGER, EGBERT. DR., 5620 VELBERT, BOSSERT, FRIEDRICH- . DR, KAZDA, STANISLAV, STOEPEL, KURT, HEISE, AREND
Year of Publication 21.08.1980

by MEYER, HORST. DR, VATER, WULF., 5090 LEVERKUSEN, WEHINGER, EGBERT. DR., 5620 VELBERT, KAZDA, STANISLAV, STOEPEL, KURT, BOSSERT, FRIEDRICH. DR, HEISE, AREND
Year of Publication 12.06.1980

by STOEPEL, KURT., 5600 WUPPERTAL, DE, BOSSERT. DR., FRIEDRICH, VATER, WULF., 5090 LEVERKUSEN, DE, WEHINGER. DR., EGBERT, 5620 VELBERT, DE, KAZDA, STANISLAV, MEYER. DR., HORST, HEISE, AREND
Year of Publication 02.04.1981

by WEHINGER, EGBERT. DR., 5620 VELBERT, DE, STOEPEL, KURT., 5600 WUPPERTAL, DE, VATER, WULF., 5090 LEVERKUSEN, DE, MEYER, HORST. DR., 5600 WUPPERTAL, DE, JUNGE, BODO. DR, KAZDA, STANISLAV, BOSSERT, FRIEDRICH. DR, HEISE, AREND
Year of Publication 06.11.1986

by TOWART, ROBERTSON, KAZDA, STANISLAV., 5600 WUPPERTAL, DE, VATER, WULF., 5090 LEVERKUSEN, DE, WEHINGER. DR., EGBERT, 5620 VELBERT, DE, STOEPEL, KURT, MEYER. DR., HORST, BOSSERT. DR., FRIEDRICH, 5600 WUPPERTAL, DE
Year of Publication 19.03.1981

by STOEPEL, KURT., 5600 WUPPERTAL, DE, VATER, WULF., 5090 LEVERKUSEN, DE, KAZDA, STANISLAV, WEHINGER, EGBERT, DIP.. DR., 5620 VELBERT, DE, BOSSERT, FRIEDRICH. DR, HEISE, AREND
Year of Publication 29.10.1981