000
00253nam a2200109Ia 4500
008
220201s1963 xx 000 0 eng d
100
_a
Gopal, Krishnan G
245
0
_a
Tb of mech engg
260
_b
Delhi : New Asia
_c
1963
300
_a
256
942
_2
ddc
999
_c
71858
_d
71858