TY  - BOOK
AU  - Nijkamp Peter
AU  -  Reggiani Aura
TI  - Interaction,evolution and chaos in space
U1  - X:89K:(B), N2 
PY  - 1992///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Regional Economics
N1  - Bib: p 245-73
ER  -