Hartmann, William K. 4 0

Astronomy, the cosmic journey / 6 6 William K. Hartmann. - 1987 ed. - - xxiii, 548 p. : ill. 28 cm. - - - - - . - . - 0 . - . - 0 .

Includes index.

Bibliography: p. 523-534.



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QB45 / .H32 19872

520 / 219

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