Energikilder
By: [af] Torben Johansson ; [tegninger ... Jens Lund Kirkegaard].
Publisher: Gyldendal
Published: 1980
Place of publication: [København]
Language: dan
Number of pages: 95
Subjects: Power resources.; Power (Mechanics)
Notes: Bibliography: p. 86-87.
Errata slip inserted.
Includes index.