Témakör: Sky & Telescope a Halon...
TIPP
TIPP	2013	1996-02-02	Sky & Telescope a Halon...	fidusz@...s.elte.hu
TIPP	2012	1996-02-01	"Sky & Telescope" a halon	Riesz Ferenc
VITA
VITA	436	1996-03-01	"Sky & Telescope" a halon	Riesz Ferenc