共 7 条
[1]
BARRETT CS, 1966, STRUCTURE METALS, P558
[2]
HANSEN M, 1958, CONSTITUTION BINARY, P980
[3]
LANDSBERG A, 1965, 6649 US BUR MIN REPT
[4]
PERKINS RA, 1965, AFMLTR64162 REP
[7]
1957, AL2617 REPT