000			00322nam a2200133Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e89406 _aMAIN
041			_aEnglish
082			_a531.3 L154O
100			_aLalita
245		0	_aOn torsion of circular beams with hales at the centre
300			_a71 p.
942			_cTH
999			_c74491 _d74491