Coyle, Diane. The weightless world : strategies for managing the digital economy / Diane Coyle. - Cambridge, Mass. : MIT Press, 1998. - xxii, 250 p. : ill. ; 24 cm. ISBN: 0262032597 (hc : alk. paper) LCCN: 98024518 LC Class. No.: HC54 .C74 1998 / .C74 1998 Dewey Class. No.: 330.9/04