1. In Polymer Data Handbook; Ed.; Oxford University Press: New York, 1999.
2. ; Polurethanes: Chemistry and Technology; Wiley-Interscience: New York, 1962.
3. Spectroscopic analysis of phase separation behavior of model polyurethanes
4. ; ; ; U.S. Patent 4,786,703, 1988, Air Products and Chemicals, Inc.