000
00269nam a2200121Ia 4500
008
220201s1964 xx 000 0 eng d
082
_a
620.1
100
_a
Junnarshar, SB
245
0
_a
Key to mechanics of structures
260
_c
1964
300
_a
252
942
_2
ddc
999
_c
78100
_d
78100