YACOB , A.; SEN, A. Solar-cycle periodicity in secular variation of H at Alibag. MAUSAM, [S. l.], v. 20, n. 3, p. 283–290, 1969. DOI: 10.54302/mausam.v20i3.5517. Disponível em: http://103.215.208.102/index.php/MAUSAM/article/view/5517. Acesso em: 22 nov. 2024.