THAMBYAHPILLAY, George
Secular fluctuations in the rainfall climate of Colombo George Thambyahpillay - Colombo Ceylon University press 1958 - 93-105 p.
910.113 / THA
Secular fluctuations in the rainfall climate of Colombo George Thambyahpillay - Colombo Ceylon University press 1958 - 93-105 p.
910.113 / THA