000
00241nam a2200109Ia 4500
008
220201s1983 xx 000 0 eng d
100
_a
Mathur, SB
245
0
_a
Mechanical engg
260
_b
Dhanpat Rai
_c
1983
300
_a
772
942
_2
ddc
999
_c
82572
_d
82572