TY - RPRT TI - Aluminum-lithium alloys : surface-cracked tension fracture tests and physical and thermal properties at cryogenic temperatures AU - Purtscher, P T AU - Austin, M AU - Kim, S AU - Rule, D PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 3986 DO - 10.6028/NIST.IR.3986 ER -