Intelligent Information Retrieval: The Case of Astronomy and Related Space Sciences [E-Book] /  

Heck, A.
1993

Knowledge-Based Systems in Astronomy [E-Book] /  

Heck, A.
1989

Wide-Field Spectroscopy [E-Book] : Proceedings of the 2nd Conference of the Working Group of IAU Commission 9 on “Wide-Field Imaging” held in Athens, Greece, May 20–25, 1996 /...  

Kontizas, E.
1997