@book{20451, author = {Sugimoto, Shigeo. and Hunter, Jane. and SpringerLink (Online service)}, title = {Digital Libraries: Achievements, Challenges and Opportunities}, publisher = {Springer-Verlag Berlin Heidelberg,}, year = {2006.}, address = {Berlin, Heidelberg :}, url = {http://dx.doi.org/10.1007/11931584 } }