Gufel£d, Eduard Efimovich. Benko gambit / [electronic resource] / Edward Gufeld.. — 1st Collier Books ed.. — New York : : Collier Books,, 1988.. — p. cm. ISBN: 002043281X LCCN: 87035783 Subjects--Topical Terms: Chess.Chess--Collections of games. LC Class. No.: GV1450.2 / .G837 1988 Dewey Class. No.: 794.1/5