000			00344nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a621 _bDA-S
100			_aDarkov A.ed
245		0	_aStructural machening
250			_a2nd
260			_c1984 _aNew Delhi _bUniversity Science Press
650			_aCivil Engineering
942			_cBK
999			_c40 _d40