by BECKER ERNST, ZAVADA ERWIN
Year of Publication 19.12.1963

by KLING RUDOLF, BECKER ERNST
Year of Publication 23.08.1963

by BECKER.. ERNST AUGUST
Year of Publication 24.01.1963

by BECKER ERNST, TAEFFNER GEORG
Year of Publication 13.09.1962

by BECKER.. ERNST R
Year of Publication 30.08.1962

by NOTZ KARL, BECKER ERNST
Year of Publication 10.05.1962

by BECKER.. ERNST R
Year of Publication 26.04.1962

by KLING,RUDOLF, BECKER,ERNST
Year of Publication 15.04.1962

by BECKER ERNST, TAEFFNER GEORG
Year of Publication 05.04.1962

by KLING RUDOLF, BECKER ERNST
Year of Publication 15.03.1962

by BECKER.. ERNST R
Year of Publication 21.12.1961

by BECKER ERNST, ZAVADA ERWIN
Year of Publication 27.10.1961

by NOTZ KARL, BECKER ERNST
Year of Publication 31.05.1961

by BECKER ERNST, RUNKEL WALTER
Year of Publication 02.02.1961

by MOBIUS HANS-GEROLD, JESCHKE NORBERT, BECKER ERNST-AUGUST, BACKE WOLFGANG
Year of Publication 25.06.1968

by BECKER ERNST, TAEFFNER GEORG
Year of Publication 23.04.1959

by BECKER.. ERNST R
Year of Publication 11.12.1958

by BECKER.. ERNST R
Year of Publication 09.10.1958

by BECKER.. ERNST R
Year of Publication 22.05.1958

by BECKER.. ERNST R
Year of Publication 31.10.1957