Research on methods of determining level surfaces of the earth's gravity field
Subtitle: 1 May 1964 - through 31 July 1968
By: [By] Erik Tengström and Andreas Vogel. Sponsored by Cambridge Research Laboratory, AFCRL, through the European Office of Aerospace Research, OAR, United States Air Force, under contract AF 61 (o52)-766
Published: 1916
Place of publication: Upsala
Language: eng
Notes: Covertitle of Final Scientific report.

Issued as AFCRL-70-0077 (nrs.2,3,4,5,6 and final scientific report)

AFCRL-70-0077-1 is the International Symposium Figure of the Earth and Refraction, Vienna, 1967.