TY  - BOOK
AU  - Barut Asim O Ed.
AU  -  Brittin Wasley E Ed.
ED  - Conference on de sitter and conformal groups and their application (1970 : University of colordo)
TI  - Proceeding on De Sitter and confromal groups and theorr applications
T2  - Lectures in theoretical physics; 13
U1  - B38:6p1,N70, L1 
PY  - 1971///
CY  - Bonlder
PB  - Colorado Associated University Press      
ER  -