Pottage, Julian. The golden rules of constructive bidding / Julian Pottage and Marc Smith. - London : Cassell in association with Peter Crawley, 2002. - 128 p. ; 20 cm - Master bridge series ; Intermediate. . - Master bridge series. . Master bridge series. Intermediate. ISBN: 0304362174 (pbk) Nat. Bib. No.: bA2Z2055 Subjects--Topical Terms: Contract bridge--Bidding.Contract bridge. Dewey Class. No.: 795.4152