Dyfyniad APA

Köhnlein, W. (1988). A model of the ionosphere in the altitude interval 50-4000 km. DFVLR.

Dyfyniad Arddull Chicago

Köhnlein, Walter. A Model of the Ionosphere in the Altitude Interval 50-4000 Km. Koln: DFVLR, 1988.

Dyfyniad MLA

Köhnlein, Walter. A Model of the Ionosphere in the Altitude Interval 50-4000 Km. DFVLR, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.