Price, T.Y. Grice, A.L.
The geodetic levelling of Ceylon - Colombo Ceylon Govt. Press 1932 - 2 v.
published under the direction of A.H.G. Dawson Surveyer General Ceylon
526.31(548.7) / P7
The geodetic levelling of Ceylon - Colombo Ceylon Govt. Press 1932 - 2 v.
published under the direction of A.H.G. Dawson Surveyer General Ceylon
526.31(548.7) / P7