In copyright
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Credit
[Background Reading]. In copyright. Source: Wellcome Collection.
Papers (photocopies and pre-prints, unmarked) consulted in the preparation of Crick and L E Orgel, "Directed Panspermia," Icarus, 19 (1973), 341-6.
The papers are:
Shiv S Kumar, "Planetary systems" (preprint, to be published in Saslaw and Jacobs, eds., The Emerging Universe);
John Barth, "Night-Sea Journey" (supplied, with a covering note, by Horace Judson);
Dicke, "The age of the galaxy from the decay of uranium" (1969);
Iben and Faulkner, "On the age and initial helium abundance of extreme population II stars" (1968);
Selections from Fairbridge, The Encyclopedia of Atmospheric Sciences and Astrogeology (1967);
Gold, "Cosmic garbage" (1960);
Gold, "Is biology on a cosmical scale?" (1960, mimeograph);
Sneath, "Longevity of micro-organisms" (1962, brief notes attached);
Sagan, "Biological contamination of the Moon" (1960).
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