TY  - BOOK
AU  - Klaassen,Leo Hendrik
AU  - Paelinck,J.H.P.
AU  - Wagenaar,S.
TI  - Spatial systems: a general introduction 
SN  - 0566002639
PY  - 1979///
CY  - Westmead, England
PB  - Saxon House
KW  - Spatial analysis (Statistics)
KW  - City planning
KW  - Social aspects
ER  -