@article{786626, author = {J Burnett and Zachary Levine and Eric Shirley}, title = {Intrinsic Birefringence in Crystalline Optical Materials for 193 nm and 157 nm Lithography}, year = {2002}, month = {2002-01-01 00:01:00}, publisher = {Semiconductor Fabtech 15th}, language = {en}, }