Chandra Chekuri Paul Claisse René-Jean Essiambre Steven Fortune Daniel C. Kilper Wonsuck Lee Nachi K. Nithi Iraj Saniee F. Bruce Shepherd Christopher A. White Gordon T. Wilfong Lisa Zhang Design tools for transparent optical networks. 129-143 2006 11 Bell Labs Technical Journal 2 http://dx.doi.org/10.1002/bltj.20165 db/journals/bell/bell11.html#ChekuriCEFKLNSSWWZ06