by SCHUSTER,GOTTFRIED,DE, KLUGE,SIEGFRIED,DE, KOVALENKO,ALEXEY G.,SU
Year of Publication 02.04.1992

by RICHTER,CHRISTIAN,DE, RICHTER,GERTRAUDE,DE, SCHUSTER,GOTTFRIED,DE, SCHULZE,KLAUS,DE
Year of Publication 24.01.1991

by SCHUSTER,GOTTFRIED,DE, SCHULZE,BAERBEL,DE, MUEHLSTAEDT,MANFRED,DE, KIRSTEN,GISELA,DE
Year of Publication 24.01.1991

by GEORGI,AXEL,DR..,DE, SCHUSTER,GOTTFRIED,.,DE, TRIPOLD,RUDOLF,DE
Year of Publication 22.02.1984

by SCHUSTER,GOTTFRIED,DE, KLUGE,SIEGFRIED,DE, ZSCHIEGNER,HANS-JOACHIM,DE, KROELL,JUERGEN,DE
Year of Publication 28.02.1991

by SCHUSTER,GOTTFRIED,DE, KONDAKOVA,VIOLETA S.,BG, DIKOVA,BISTRA A.,BG, CHRISTOVA,DIMITRINKA P.,BG, VASSILJEV,GEORGI N.,BG
Year of Publication 09.04.1992

by SCHUSTER,GOTTFRIED,DE, KLUGE,SIEGFRIED,DE, SCHULZE,BAERBEL,DE, MUEHLSTAEDT,MANFRED,DE, KROELL,JUERGEN,DE, BAUER,UTE,DE
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by RICHTER,CHRISTIAN,DE, SCHUSTER,GOTTFRIED,DE, KLUGE,SIEGFRIED,DE, KROELL,JUERGEN,DE, SCHULZE,KLAUS,DE, BAUER,UTE,DE
Year of Publication 10.10.1991

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Year of Publication 04.07.1991