000 00289nam a22001217a 4500
008 120727b xxu||||| |||| 00| 0 eng d
050 _aTA645
_b.D87 1989
100 _adurka
245 _aStructural mechanics
250 _a4th
300 _a21
942 _2lcc
_cSL
_hTA645
_k.D87 1989
999 _c65238
_d65238