Billions and billions :
Sagan, Carl, 1934-
Billions and billions : thoughts on life and death at the brink of the millennium / Carl Sagan. - 1st ed. - New York : Random House, c1997. - xii, 241 p. : ill. ; 25 cm.
Includes bibliographical references (p. [231]-234) and index.
0679411607
96052730
Q173 / .S24 1997
500
Billions and billions : thoughts on life and death at the brink of the millennium / Carl Sagan. - 1st ed. - New York : Random House, c1997. - xii, 241 p. : ill. ; 25 cm.
Includes bibliographical references (p. [231]-234) and index.
0679411607
96052730
Q173 / .S24 1997
500