Probleme der Paragenese. Topical report of IAGOD. Vol. 13/1983

Probleme der Paragenese. Topical report of IAGOD. Vol. 16/1986

Probleme der Paragenese. Topical report of IAGOD for 1969. Volume 1. 1969.

Probleme der Paragenese : topical Report of IAGOD. Volume 2/1970

Probleme der Paraganese : Topical Report of IAGOD Vol. 9/1979.

Probleme der Paragenese. Topical Report of Iagod. Vol. III. 1971. Internat. Union of Geolog. Sciences International Association on the Genesis of Ore Deposits.

Probleme der Paragenese. topical report of IAGOD Vol. 17/1988

Topical problems of the activities of marxist-leninist and revolutionary /

Paragenese manganatých uhličnanů chvaletického rudního ložiska /

Impact topics.

Topics in stereochemistry Vol.10 /

Topics in topology /

Topics in linquistics.

Impact topics : 30 exciting topics to talk about in English /

Geochemie und Paragenese der saxonischen Schwerspat-Flussspat-Gänge im Schmalkaldener Revier /

Youth reporters discuss "problem" Drugs /

Special topics in electromagnetics /

Topics in Energy and Resources. /

Current cardiovascular topics. Vol. 1, part I. Drugs in cardiology

Current cardiovascular topics. Vol. 1, part II. Drugs in cardiology