000
00261nam a2200109Ia 4500
008
220201s1992 xx 000 0 eng d
100
_a
THERAJA B L
245
0
_a
MECHANICAL ENGINEERING
260
_a
DELHI
_b
S CHAND AND SONS
_c
1992
300
_a
654
942
_2
ddc
999
_c
92967
_d
92967