TY - RPRT TI - A cryogenic 4.4 mn mechanical test system for large scale tests of composite support struts AU - Walsh, R P AU - Reed, R P AU - McColskey, J D AU - Fehringer, W AU - Berger, J R PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 3966 DO - 10.6028/NIST.IR.3966 ER -