000 00293nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aG. S. Ramaswamy
245 _aDesign and Construction of Concrete Shell Roofs
260 _bC B S Publishers & Distributors
260 _c1986
300 _a745 P.,
999 _c946
_d946