Hours of darkness at altitude /

Bibliographic Details
Main Author:	Mengel, A. S.
Corporate Author:	Rand Corporation
Format:	Book
Language:	English
Published:	Santa Monica, Calif. : Rand Corporation, [1951]
Series:	Research memorandum (Rand Corporation) ; no. 635.
Subjects:	Altitude > Mathematical models. Night > Mathematical models.

Description
Item Description:	"ASTIA document number ATI 210709." "19 June 1951."
Physical Description:	15 leaves : illustrations ; 28 cm.