000
00248nam a2200109Ia 4500
008
220201s1962 xx 000 0 eng d
100
_a
Payson, P
245
0
_a
Metallurgy of tool steels
260
_b
Johnwiley
_c
1962
300
_a
349
942
_2
ddc
999
_c
72354
_d
72354