TY  - BOOK
AU  - Berg,Leo van den
AU  - Burns,Leland S
AU  - Klaassen,Leo H.
TI  - Spatial cycles: (Studies in spatial analysis) 
SN  - 0566050633
PY  - 1987///
CY  - Brookfied
PB  - Gover
KW  - Regional planning
KW  - City planning
ER  -