by LEY, KURT, DR, OERTEL, HARALD, ROOS, ERNST
Year of Publication 29.11.1979

by LEY, KURT, DR, OERTEL, HARALD, ROOS, ERNST
Year of Publication 25.08.1977

by SENG,FLORIN,DR, LEY,KURT,DR
Year of Publication 24.06.1976

by SENG,FLORIN,DR, LEY,KURT,DR
Year of Publication 24.06.1976

by SENG,FLORIAN,DR, LEY,KURT,DR
Year of Publication 07.05.1975

by JAUTELAT,MANFRED,DR, LEY,KURT,DR
Year of Publication 15.11.1973

by SENG,FLORIN,DR, LEY,KURT,DR
Year of Publication 06.07.1972

by WAGNER,KLAUS,DR, LEY,KURT,DR
Year of Publication 15.06.1972

by LEY,KURT,DR, HAGEMANN,HERMANN,DR
Year of Publication 03.06.1971

by FLORIN SENG,.DR, KURT LEY,.DR
Year of Publication 14.01.1971

by FLORIN SENG,.DR, KURT LEY,.DR
Year of Publication 14.01.1971

by FLORIN SENG,.DR, KURT LEY,.DR
Year of Publication 14.01.1971

by HERMANN HAGEMANN,DR, KURT LEY,DR
Year of Publication 07.01.1971

by KOMOROWSKI, KLAUS., 5670 OPLADEN, LEY, KURT, DR., 5074 ODENTHAL, KURTZ, PETER., 8180 TEGERNSEE
Year of Publication 18.12.1980

by LEY, KURT, DR, LEHMANN, WOLFGANG, R., 5090 LEVERKUSEN, TROEMEL, GERHART., 5359 PESCH, MUELLER, FRIEDHELM
Year of Publication 06.11.1980

by SENG, FLORIN., 5072 SCHILDGEN, LEY, KURT, DR., 5074 ODENTHAL
Year of Publication 09.10.1980

by SENG, FLORIN., 5072 SCHILDGEN, LEY, KURT, DR., 5074 ODENTHAL
Year of Publication 28.08.1980

by KOMOROWSKI, KLAUS., 5670 OPLADEN, LEY, KURT, DR., 5074 ODENTHAL, KURTZ, PETER., 8180 TEGERNSEE
Year of Publication 30.04.1980

by SENG, FLORIN., 5072 SCHILDGEN, LEY, KURT, DR., 5074 ODENTHAL
Year of Publication 14.02.1980

by KABBE, HANS- JOACHIM, JAUTELAT, MANFRED, LEY, KURT, DR., 5074 ODENTHAL
Year of Publication 10.01.1980