000 00293nam a2200121Ia 4500
008 200701s1986 xx 000 0 eng d
100 _aRamaswamy
245 0 _aDesign & Construction of Concrete shell Roofs
250 _a1
260 _bNewdelhi & CBS
_c1986
300 _a745
942 _2ddc
_cBO
999 _c5665
_d5665