TY  - BOOK
AU  - Nijkamp Peter Ed.
TI  - Measuring the unmeasureable
T2  - NATO advanced science institutes series ,22
SN  - 9024731230
U1  - U:(B), M5 
PY  - 1985///
CY  - Boston
PB  - Martinus Nijhoff         
KW  - Geography- Modern
ER  -