000 00258nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aJ. E. Gibson
245 _aThe Design of Shell Roofs 3rd ed.
260 _bE. & F. N. Spon
260 _c1968
300 _a300 P.,
999 _c26
_d26