TY - BOOK AU - Hartmann,William K. TI - Astronomy, the cosmic journey SN - 0534079385 AV - QB45 .H32 1987 U1 - 520 19 PY - 1987/// CY - Belmont, Calif. PB - Wadsworth Pub. Co. KW - Astronomy N1 - Includes index; Bibliography: p. 523-534 ER -