000 002830000a22001210004500
245 _aShell roof analysis
100 _aPaduart, A.
260 _aNew Delhi
_bOxford Book Co.
_c1967
300 _a97p. : ill., 16 plates
080 _a624.074.4
_bP3
041 _aEN
942 _cBK
999 _c103787
_d103787