Print version: Colloquium on Quantum Groups and Hopf Algebras. New trends in Hopf algebra theory : proceedings of the Colloquium on Quantum Groups and Hopf Algebras, La Falda, Sierras de Cordoba, Argentina, August 9-13, 1999. Providence, Rhode Island : American Mathematical Society, [2000] xv, 356 pages ; 26 cm. Contemporary mathematics ; 267 ISBN 9780821821268