Billions and billions :
Sagan, Carl
Billions and billions : thoughts on life and death at the brink of the millennium / Carl Sagan - New York : Random House, c1997. - xii, 296 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0345379187 9780345379184
Science--Miscellanea--Popular works.
Science.
500 / SAG
Billions and billions : thoughts on life and death at the brink of the millennium / Carl Sagan - New York : Random House, c1997. - xii, 296 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0345379187 9780345379184
Science--Miscellanea--Popular works.
Science.
500 / SAG