 |  |  | ABI/Inform |
 |  |  | Current Contents |
 |  |  | Elsevier BIOBASE |
 |  |  | Engineering Index |
 |  |  | Environmental Abstracts |
 |  |  | Environmental Periodicals Bibliography |
|  |
 |  |  | Geological Abstracts |
 |  |  | Journal of Planning Literature |
 |  |  | References (International Council of Environmental Law) |
 |  |  | Sage Urban Studies Abstracts |
 |  |  | Scopus |
|