Billions and billions :
Sagan, Carl, 1934-
Billions and billions : thoughts on life and death at the brink of the millennium / - New York : Random House, 1997. - 241 p. ; 24 cm.
Includes bibliographical references and index.
0679411607
96052730
Science--Miscellanea--Popular works.
Q173 / .S24 1997
500
Billions and billions : thoughts on life and death at the brink of the millennium / - New York : Random House, 1997. - 241 p. ; 24 cm.
Includes bibliographical references and index.
0679411607
96052730
Science--Miscellanea--Popular works.
Q173 / .S24 1997
500