1. R.M. McClintock and H. P. Gibbons, “A Compilation of Mechanical Properties of Materials at Cryogenic Temperatures,” NBS Rep. 6064, July 1, 1959.
2. M. G. Fontana, et al., “Investigation of Mechanical Properties and Physical Metallurgy of Aircraft Alloys at Very Low Temperatures,” AF Tech. Rep. No. 5662, Parts 1, 3, and 5, Jan. 1948 and Dec, 1953.
3. R.L. McGee, J.E. Campbell, R.L. Carlson, and G.K. Manning, “How Low Temperatures Affect Nine High-Strength Alloys,” Materials in Design Eng., pp. 106–107, Nov, 1959.
4. M. P. Hanson, G. W. Stickley, and H. T. Richards, “Sharp Notch Behavior of Some High-Strength Sheet Aluminum Alloys and Welded Joints at 75°, -320°, and -423°F,” Paper presented at annual meeting ASTM, Atlantic City, June 1960.
5. Special ASTM Committee, “Fracture Testing of High-Strength Sheet Materials,” Chapter 1, ASTM Bulletin, Feb. 1960.