International Union of Geodesy and Geophysics; paper no. D1
Edge, Raymond Cyril Alexander
International Union of Geodesy and Geophysics; paper no. D1
In: RICS. Land surveyors conference, March, 1968. 1968/52A
526.90601
International Union of Geodesy and Geophysics; paper no. D1
In: RICS. Land surveyors conference, March, 1968. 1968/52A
526.90601