UU-TurnU-Turnde John RidleyEdiciones (2)U-Turn (1998)Hodder & Stoughton · inglés · ISBN 9780340713198U-Turn (1997)Bloomsbury · ISBN 9780340695630Más obras de John RidleyAmerican Way 10th Anniversary EditionOOre Deposit GeologyOre Deposit GeologyConversation with the Mann