TY  - BOOK
AU  - Dubouzet,Joseph
TI  - Modified a-frame: design and use 
SN  - 9710839373 (paperback)
AV  - TA683.5.F8 D83 
PY  - 1988///
CY  - Manila
PB  - National Book Store Inc.
KW  - Frames
KW  - Structural engineering
KW  - Design and construction in special materials
N1  - Includes bibliographical references
ER  -