| Article ID: | iaor19911243 |
| Country: | United Kingdom |
| Volume: | 17 |
| Start Page Number: | 189 |
| End Page Number: | 195 |
| Publication Date: | Dec 1990 |
| Journal: | Environment and Planning B |
| Authors: | Johnson J.H. . |
This is the third in a series of three papers in which the methodological status of