000
00307nam a2200121Ia 4500
008
220201s1970 xx 000 0 eng d
082
_a
620.11
_b
STE
100
_a
Stephens, RC
245
0
_a
Strength of materials, thoery & examples
260
_b
London: Edward arnaldo
_c
1970
300
_a
310
942
_2
ddc
999
_c
77011
_d
77011