000			003070000a22001210004500
245			_aStructures exposed, no maths of course!
100			_aJayawardena, Asitha I.
260			_aMoratuwa _bUniversity of Moratuwa _cn.d.
300			_a92p. : ill.
080			_a624.04 _bJ3
041			_aEN
942			_cBK _01
999			_c72349 _d72349