000
00270nam a2200121Ia 4500
008
220201s1966 xx 000 0 eng d
082
_a
620.1
_b
GUR
100
_a
Singh, Gurbakhsh
245
0
_a
Applied mechanics
260
_b
Delhi
_c
1966
300
_a
411
942
_2
ddc
999
_c
78521
_d
78521