000
00268nam a2200121Ia 4500
008
220201s1964 xx 000 0 eng d
082
_a
691
100
_a
Naidu, DS
245
0
_a
Engineering material & their testing
260
_c
1964
300
_a
256
942
_2
ddc
999
_c
73050
_d
73050