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*AM I MIN ENG, 1919, B AM I MIN ENG, P913
[2]
*BUR STAND, 1919, 347 BUR STAND
[3]
FRAENKEL, 1920, Z J METALL, V12, P225
[4]
FRAENKEL, 1923, Z METALLKUNDE, V15, P103
[5]
SANDER W, 1924, ANMERKUNG WAHREND KO, V16, P12
[6]
*TOH IMP U, 4 TOH IMP U, V11
[7]
ZAY J, 1919, J I MET, V2, P329
[8]
1920, Z METALLKUNDE, V12, P427
[9]
1913, ELEKTROTECHNIK MISCH
[10]
1919, CHEM METALLURG ENG, V21, P551