TY  - BOOK
AU  - Padurat, A
AU  - 
TI  - Shell Roof Analysis
U1  - 624. 024 
PY  - 1967///
CY  - Calcutta
PB  - Oxford Book & Statinory
KW  - Shell Roof Analysis
N1  -  Bibliog p. 96- 97
ER  -