TY  - BOOK
AU  - Prenowitz Walter
AU  -  Jantoscial James
TI  - Join gemetries: a theory of convex sets and linear geometry
T2  - Undergraduate textx in mathematics
U1  - B6, L9;1 
PY  - 1979///
CY  - New York    
PB  -  Springer-Veerlag        
KW  -  Convex sets
KW  - Geometry
ER  -