共 17 条
[1]
CANNON CG, 1944, ULTRA FINE STRUCTURE, P290
[2]
DAHME A, 1951, BRENNST CHEM, V32, P175
[3]
FIELDNER AC, 1951, 492 US BUR MIN B
[4]
FISHER CH, 1942, 642 US BUR MIN TECH
[5]
FREUND H, 1952, HDB MIKROSKOPIE TE 1, V2
[6]
HOFFMAN E, 1933, FUEL, V12, P98
[7]
Hoffman E., 1932, GLUCKAUF, V68, P81
[8]
McCartney J. T., 1952, ECON GEOL, V47, P202
[9]
PARKS BC, 1948, COAL TECHNOL, V3
[10]
PARKS BC, 1948, T AM I MIN METALL EN, V177, P535