Concessions for infrastructure : a guide to their design and award / Michael Kerf ..... et al. - Washington, D.C. : World Bank, 1998. - ix, 132 p. ; 28 cm. - World Bank technical paper ; no. 399 . Includes bibliographical references. Open access. ISBN: LCCN: 9750066 Subjects--Topical Terms: Infrastucture (Economics)Privatization.Concessions.