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Archival description
Papers of Bertha Jeffreys Item
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1989-1990

Personal news, including reflections on Israeli society.

1988

Chiefly re the Moho (Mohorovicic Discontinuity) and ascription of the credit for the discovery thereof. Also personal news.

1984-1989

Includes 'One hundred years of contributions of the University of California seismographic stations' by Bolt.

1975, 1994

1975 item is offprint of 'The early days of ionospheric research' by J.A. Ratcliffe, Phil. Trans. R. Soc. Lond. A vol. 280.

Results 371 to 380 of 393