000
00299nam a2200133Ia 4500
008
220201s1977 xx 000 0 eng d
082
_a
620.11
_b
NAT
100
_a
Nat, DS
245
0
_a
Materials & Metallurgy
250
_a
2nd
260
_b
Katson Pub. House
_c
1977
300
_a
203
942
_2
ddc
999
_c
80617
_d
80617