Unknown
Am. Soc. for Testing and Materials
In:
Bull., Polar Proj. OP-O3A4, Fracture Analysis - A Symp. Sponsored by ASTM
Committee E-24, Philadelphia, Pa., Aug. 27-29, 1973, Leiden, The Netherlands, Am. Soc.
for Testing and Materials, vol. 560, no. XVI:, pp. 2-28, (ISBN:
3-540-23712-7)