TY  - BOOK
AU  - 
TI  - PUBLICATION PRELIMINAIRE
U1  - 624.10631 
PY  - 1964///
CY  - Zurich
PB  - Preliminary Pub.
KW  - Bridge -- Congresses
KW  - Bridge Construction -- Congresses
N1  - Vols. For 1956 Have Some Contributions In Portuguese; Order Of Titles On T. P. Varies ; Vols. For 1956 Have Title Also In Portuguese
ER  -