000
00251nam a2200109Ia 4500
008
220201s1998 xx 000 0 eng d
100
_a
TTTI
245
0
_a
ELECTRICAL ENGINEERING MATERIALS
260
_a
DELHI
_b
TMH
_c
1998
300
_a
120
942
_2
ddc
999
_c
67857
_d
67857