000 002930000a22001210004500
245 _aStructural analysis by direct moment distribution
100 _aRygol, J.
260 _aLondon
_bCrosby Lockwood
_c1968
300 _a407 p., ill.
080 _a624.041.2
_bR9
041 _aEN
942 _cBK
999 _c95600
_d95600