TY  - BOOK
AU  - Ramaswamy,G.S.
ED  - Govt. of India
ED  - India
TI  - A shell of double curvature for roofs and floors
U1  - 695.3 
PY  - 0000///[n. d. ]
CY  - Roorkee
PB  - C B R I
KW  - Roofing
ER  -