Negative Doubles for Acol Playersde Marty Bergen, Tim BourkeMateriasContract bridge, biddingEdiciones (1)Negative Doubles for Acol Players (Master Bridge Series) (2001)Cassell · inglés · ISBN 9780304357901Más obras de Marty BergenBetter slam bidding with BergenMarty sez--Marty sezMarty sez ...