TY - RPRT TI - Economic analysis of materials processing in space AU - Vachon, R. I. AU - Wilcox, R. C. AU - Lacy, A. W. AU - Hale, C. W. AU - Beckett, S. D. AU - Canterberry, J. B. PY - 1975 UR - https://ntrs.nasa.gov/citations/19750025054 ID - 19750025054 ER -