TY  - BOOK
AU  - HAAS, A M
TI  - DESIGN OF THIN CONCRETE SHELLS: V-I, POSITIVE CURVATURE INDEX
U1  - D1:1195 
PY  - 1962///
CY  - NEW YORK
PB  - JOHN WILEY & SONS
KW  -  CONCRETE SHELLS-DESIGNING
KW  - CIVIL ENGINEERING
ER  -