Ing, Dean. frey50 The nemesis mission / Dean Ing. - 1st ed. - New York : Tom Doherty Associates, 1991. - 340 p. ; 24 cm. ISBN: 0312851057 : $19.95 LCCN: 91021445 LC Class. No.: PS3559.N37 / N4 1991 Dewey Class. No.: 813/.54