00359nam a2200121   450000500170000000800410001702000150005805000170007310000230009024500540011326000430016730000270021020260407134254.0260407b        |||||||| |||| 00| 0 eng d  a053404011X  aQB45.H3 1985  ahatmann william K.  aastronomy the cosmic journeycwilliam K. hartmann  acaliforniabwadsworth publishingc1987  axxiii, 548p, ill.bhbk