1. Determination and Correction of Quadrature Fringe Measurement Errors in Interferometers;Heydemann;Appl Opt.,1981
2. The Precise Determination of Refractometric Parameters for Atmospheric Gases;Birch,1988
3. Bidirectional Fringe Counting Interference Refractometer;Downs;Precision Eng.,1983
4. Downs, M. J. A Proposed Design for a Sub-Nanometric Optical Interferometer, to be published