by JANKOWSKI,ALFONS,DR, SCHUERMANN,FRITZ,DR
Year of Publication 30.04.1972

by LANGHOFF,JOSEF,DR, JANKOWSKI,ALFONS,DR, WEBER,HARALD,DR
Year of Publication 26.01.1989

by WESSENDORF,RICHARD,DR, JANKOWSKI,ALFONS,DR, DOEHLER,WERNER,DR
Year of Publication 14.08.1986

by JANKOWSKI,ALFONS,DR, DOEHLER,WERNER,DR, FEHRER,ALBERT
Year of Publication 03.04.1986

by HAAKE, GERHARD, 4300 ESSEN, JANKOWSKI, ALFONS. DR., 4300 ESSEN, GLAESMANN, OTTO-ERNST, 4620 CASTROPRAUXEL
Year of Publication 15.11.1973

by JANKOWSKI, ALFONS. DR., 4300 ESSEN, DE, DOEHLER, WERNER. DR., 4370 MARL, DE, FEHRER, ALBERT., 4223 VOERDE, DE
Year of Publication 07.05.1987

by ME?ER,F?, JANKOWSKI,ALFONS,DR, GLAESMANN,OTTO-ERNST, HAAKE,GERHARD
Year of Publication 03.04.1975

by WILCZOK,NORBERT, MERZ,LUDWIG,.DR, FROHNERT,HEINZ, JANKOWSKI,ALFONS,.DR, UCKERMANN,BERND, TAMM,HANS-FRIEDRICH, GRAESER,ULRICH,.DR, WOLOWSKI,ECKARD,DR, DOEHLER,WERNER,.DR
Year of Publication 23.10.1986

by WILCZOK,NORBERT, MERZ,LUDWIG,.DR, FROHNERT,HEINZ, JANKOWSKI,ALFONS,.DR, UCKERMANN,BERND, GRAESER,ULRICH,.DR, WOLOWSKI,ECKARD,DR, DOEHLER,WERNER,.DR, TAMM,HANS-FRIEDRICH,DR
Year of Publication 06.02.1986

by JANKOWSKI,ALFONS,DR, SCHUERMANN,FRITZ,DR
Year of Publication 16.12.1971

by JANKOWSKI,ALFONS,.DR, SCHUERMANN,FRITZ,DR
Year of Publication 07.10.1971

by TAMM, HANS-FRIEDRICH, 4350 RECKLINGHAUSEN, DE, FROHNERT, HEINZ, (GRAD.), 4250 BOTTROP, DE, WOLOWSKI, ECKARD.., 4330 MUELHEIM, DE, UCKERMANN, BERND., 4600 DORTMUND, DE, MERZ, LUDWIG. DR., 4350 RECKLINGHAUSEN, DE, DOEHLER, WERNER. DR., 4370 MARL, DE, GRAESER, ULRICH. DR., 4358 HALTERN, DE, JANKOWSKI, ALFONS. DR., 4300 ESSEN, DE, WILCZOK, NORBERT., 4330 MUEHLHEIM, DE
Year of Publication 17.03.1988

by FROHNERT, HEINZ., 4250 BOTTROP, DE, UCKERMANN, BERND., 4600 DORTMUND, DE, WILCZOK, NORBERT., 4330 MUELHEIM, DE, MERZ, LUDWIG. DR., 4350 RECKLINGHAUSEN, DE, WOLOWSKI, ECKARD., 4330 MUELHEIM, DE, TAMM, HANS-FRIEDRICH., 4350 RECKLINGHAUSEN, DE, DOEHLER, WERNER. DR., 4370 MARL, DE, GRAESER, ULRICH. DR., 4358 HALTERN, DE, JANKOWSKI, ALFONS. DR., 4300 ESSEN, DE
Year of Publication 16.04.1987

by JANKOWSKI,ALFONS,.DR, DOEHLER,WERNER,.DR, FEHRER,ALBERT
Year of Publication 24.07.1986

by SIEGFRIED PAULSEN,DR, ALFONS JANKOWSKI,DR, GEORG HUCK,DR
Year of Publication 07.08.1969

by GLAESMANN, OTTO-ERNST, 4620 CASTROP-RAUXEL, HAAKE, GERHARD, 4300 ESSEN, JANKOWSKI, ALFONS. DR., 4300 ESSEN
Year of Publication 15.11.1973