Xylon 48: Well-known and unknown flying objects: 6: ex libris - I.Boutsen-L.Raskin

MLA

Hoorne, Emiel. Xylon 48: Well-known and Unknown Flying Objects: 6: Ex Libris - I.boutsen-l.raskin. 1979.

APA

Hoorne, E. (1979). Xylon 48: Well-known and unknown flying objects: 6: ex libris - I.Boutsen-L.Raskin. .

Chicago

Hoorne, Emiel Xylon 48: Well-Known and Unknown Flying Objects: 6: Ex Libris - I.boutsen-L.raskin.