TY - RPRT TI - Electroform replication used for multiple X-ray mirror production AU - Kowalski, M. P. AU - Ulmer, M. P. AU - Purcell, W. R., Jr. AU - Loughlin, J. E. A. PY - 1984 UR - https://ntrs.nasa.gov/citations/19850034629 ID - 19850034629 ER -