TY - RPRT TI - Development and evaluation of elastomeric materials for geothermal applications AU - Mueller, W. A. AU - Kalfayan, S. H. AU - Reilly, W. W. AU - Ingham, J. D. PY - 1978 UR - https://ntrs.nasa.gov/citations/19780023294 ID - 19780023294 ER -