ESTIMATION OF LOCAL MAGNITUDE (ML) FROM SIGNAL DURATION RECORDS OF W.W. S.S.N. SHILLONG. MAUSAM [Internet]. 1991 Jan. 1 [cited 2025 Dec. 22];42(1):110-1. Available from: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/3045