1. Gravity measurements at York, Newcastle upon Tyne, Edinburgh, and Aberdeen;Browne;Mon. Not. R. Astron. Soc., Geophys. Sup.,1950
2. Values of gravity at stations in southern Britain;Cook;Mon. Not. R. Astron. Soc, Geophys. Sup.,1950
3. Contribution à l'éstablissement des bases du reseau gravimetrique Africain;Duclaux;C.-R. Acad. Sci., Paris,1951
4. U. S. Coast and Geodetic Survey Spec. Pub.;Duerksen,1949
5. Gravity measurement in northern America with the Cambridge pendulum apparatus;Garland;Proc. R. Soc., ser. A,1953