000			00311nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a925
100			_aWALTON John.. ed.
245		0	_aSeven Civil engineers
260			_bLondon. Oxford Uni. Press _c1950
300			_a(4),62p.
942			_cLL
999			_c33487 _d33487