Tulevaisuus vedenjakajalla
By: toimittaneet H. Frey, P. Malaska.
Contributors: Frey, H. 1941-; Malaska, Pentti.
Publisher: H. Frey
Published: 1978
Place of publication: [Turku?
Language: fin
Number of pages: 215
Notes: Bibliography: p. 193-215.