by SIRBU,COSTEL,RO, HEGEDUS,ZSOLT,RO
Year of Publication 01.02.1983

by MARUTOIU,CONSTANTIN,RO, SIRBU,COSTEL,RO
Year of Publication 09.09.1982

by MARUTOIU,CONSTANTIN,RO, SIRBU,COSTEL,RO, HEGEDUS,ZDOLT,RO
Year of Publication 30.04.1981

by MARUTOIU CONSTANTIN,RO, GOCAN SIMION,RO, LUJERDEAN OVIDIU,RO, LITEANU CANDID,RO, SIRBU COSTEL,RO
Year of Publication 15.03.1986

by CRISTEA,ELEONORA B.,RO, SCHMIDT,GERARD W.,RO, MARUTOIU,CONSTANTIN,RO, SIRBU,COSTEL,RO
Year of Publication 15.02.1983