00341nam a2200121Ia 4500008004100000020001800041082000800059100001800067245007300085250001600158260003700174300000800211240718s9999||||xx |||||||||||||| ||und||  a9780821357927  a080  aGuasch,J Luis 0aGranting And Renegotiating Infrastructure Concessions Doing It Right  a1st Edition  aWashingtonbThe World Bankc2004  a194