TY  - BOOK
AU  - 
TI  - LONG SPAN ROOF STRUCTURES
U1  - 690.15 
PY  - 1981///
CY  - New York
PB  - American Society Of Civil Engineers
KW  - Roofs -- Social Conditions -- Congresses
KW  - Roofs -- Economic Conditions -- Congresses
KW  - Roofs -- Congresses
N1  - Sponsored By The Committee On Special Structures Of The Committee On Metals Of The Structural Division; Symposium Held At The 1981 Annual Convention And Exhibit, St. Louis, 1981
ER  -