00308nam a22001097a 4500020000800000040001600008082001300024100002300037245006700060260004400127300002700171  qHB.  cFIZZA ISHAQ  a520bSMI  aSmith, Elske v. P.  aIntroductory astronomy and astrophysics /c Elske v. P. Smith.  aLondon:bPhiladelphia, Saunders,c1973.  axii, 564 p. ;c 27 cm.