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Year of Publication 30.04.1987

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Year of Publication 25.09.1986

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Year of Publication 25.09.1986

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Year of Publication 07.05.1981

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Year of Publication 22.01.1981

by REISER,WOLF,DR, RAULEDER,GEBHARD,DR, FEYEN,PETER,DR
Year of Publication 10.01.1985

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Year of Publication 01.03.1984

by KOHLER,EGON,DR, FEYEN,PETER,DR, SEIFERT,HERMANN,DR
Year of Publication 09.02.1984

by FEYEN,PETER,DR
Year of Publication 01.12.1977

by WUNDERLICH,HERMANN,DR, HORAK,OTTO, FEYEN,PETER,DR
Year of Publication 22.05.1980

by FEYEN,PETER,.DR, METZGER,KARL-GEORG,DR, PREISS,MICHAEL,.DR
Year of Publication 04.01.1979

by PREISS,MICHAEL,DR, METZGER,KARL-GEORG,DR, FEYEN,PETER,DR
Year of Publication 29.06.1978

by FEYEN,PETER,.DR, METZGER,KARL-GEORG,DR, KOENIG,HANS-BODO,.DR
Year of Publication 25.01.1979

by FEYEN,PETER,.DR, METZGER,KARL-GEORG,DR, KOENIG,HANS-BODO,.DR, SCHMIDT,GUNTER,.DR
Year of Publication 03.01.1980

by FEYEN,PETER,.DR, SCHROECK,WILFRIED,.DR, KOENIG,HANS-BODO,.DR, PREISS,MICHAEL,.DR, METZGER,KARL,DR
Year of Publication 08.02.1979

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Year of Publication 25.01.1979

by KUEHNERT, PETER. DR., 5090 LEVERKUSEN, DE, FEYEN, PETER. DR., 4020 METTMANN, DE
Year of Publication 15.03.1990