| Citation | World Resources Institute, 1990. 1990-1991 World resources, 1990-91. Oxford University Press, New York. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 6288 |
| Language | English |
| Usage | not seen |
| Comments | |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |