000			00343nam a2200133Ia 4500
008			210219s9999||||xx |||||||||||||| ||und||
082			_a690.15 _bW666C
100			_aWilby, C.B. _911607
245		0	_aConcrete folded plate roofs. _c C.B.Wilby
260			_aLondon. _bArnold. _c1998
300			_axix; 275p
942			_cBK
950			_o690.15 W666C
999			_c32849 _d32849