TY  - BOOK
AU  - Colloquium on Infinite and Finite sets, Keszthely, Hungary June 25-July 1, 1973
AU  - Rado, Hajnal R. ; ed.
AU  - Sos, Vera T. ; jt. ed.
TI  - Infintte and finite sets; colloquium papers in honour of prof. Paul Erdos for his 60th birthday
U1  - 511.5 
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland
ER  -