Olga Zadedyurina Yoram Ofek Achille Pattavina Space and Time Blocking versus Cost in All-Optical Banyan Networks. 5338-5343 2008 ICC http://dx.doi.org/10.1109/ICC.2008.1001 conf/icc/2008 db/conf/icc/icc2008.html#ZadedyurinaOP08