共 38 条
[1]
ARMSTRONG WG, 1864, IND RESOURCES TYNE W, P88
[2]
ASHTON TS, 1924, IRON STEEL IND REVOL, P100
[3]
BELL IL, 1884, MANUFACTURE IRON STE, P454
[4]
BELL IL, 1878, PROGR IRON TRADE CLE, P3
[5]
BENHAM F, 1934, 39 LOND CAMBR EC SER, P39
[6]
BENHAM F, 1934, 39 LOND CAMBR EC SER, P29
[7]
BONE WA, 1936, COAL ITS CONSTITUTIO, pCH26
[8]
BONE WA, 1919, COAL ITS SCI USES, P409
[9]
*BRIT IR STEEL FED, 1927, STAT IR STEEL IND
[10]
BROOKS AH, US GEOLOGICAL SURVEY, V703, P96