共 5 条
[1]
ANDERSON, 1947, SCIENCE, V105, P576
[2]
HENNIG GR, 1948, ANL4080 REP
[3]
HUGHES DJ, 1952, AECU2040 US AT EN CO
[4]
MANTELL CL, 1946, IND CARBON, P361
[5]
1950, NBS499 CIRC