Carl Sagan :
Spangenburg, Ray, 1939-
Carl Sagan : a biography Ray Spangenburg - Amherst Prometheus books 2009 - 181 p. : ill. ;
Includes bibliographical references and index.
9781591026587
Physics
Astronomers
Biography
520.92 / SPA-C
Carl Sagan : a biography Ray Spangenburg - Amherst Prometheus books 2009 - 181 p. : ill. ;
Includes bibliographical references and index.
9781591026587
Physics
Astronomers
Biography
520.92 / SPA-C