@conference{824841, author = {R Allen and Heather Patrick and M Bishop and Thomas Germer}, title = {Study of Test Structures for Use as Reference Material in Optical Critical Dimension Applications}, year = {2007}, month = {2007-01-01 00:01:00}, publisher = {2007 IEEE International Conference on Microelectronic Test Structures , Tokyo, 1, JA}, language = {en}, }