https://kutuphane.turvak.com/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22%C3%A7ev.%20Murat%20Alev%22&sort_by=relevance&format=rss 2 0 50 ISBN: https://kutuphane.turvak.com/cgi-bin/koha/opac-detail.pl?biblionumber=80 By Lightman, Alan.
Ankara TÜBİTAK 1996 .
146 s. , astronomi, uzay, galaksiler, evren, gezegenler, yıldızlar 25 cm..

]]> https://kutuphane.turvak.com/cgi-bin/koha/opac-detail.pl?biblionumber=80 ISBN: https://kutuphane.turvak.com/cgi-bin/koha/opac-detail.pl?biblionumber=125 By Kaufmann, William J..
Ankara Arkadaş kitabevi 1979 .
192 s. , doğa, bilim, astronomi, evren, evrim, yıldızlar, süpernovalar, kara delikler

]]> https://kutuphane.turvak.com/cgi-bin/koha/opac-detail.pl?biblionumber=125