000 00257nam a2200109Ia 4500
008 220201s1968 xx 000 0 eng d
100 _aGIBSON J E
245 0 _aDESIGN OF SHELL ROOFS
260 _aLONDON
_bE F N SPORTED
_c1968
300 _a300
942 _2ddc
999 _c89195
_d89195