00278    a2200109   4500082001300000100002000013245001800033260004200051300002100093650003400114700002000148  a520bHYN  aHynek, J. Allen  aAstronomy one  aCaliforniabW.A. Benjaminc1972g1972  avi, 402p.c23cm.  aAstronamy and allied sciences  aApfel, Necia H.