Não informado. (1953). Geophysical digest. Central Board of Geophysics.
Style de citation Chicago (17e éd.)Não informado. Geophysical Digest. Calcutta, India: Central Board of Geophysics, 1953.
Style de citation MLA (8e éd.)Não informado. Geophysical Digest. Central Board of Geophysics, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.