Prendergast, J. R.; Quinn, R. M.; Lawton, J. H.; Eversham, B. C.; Gibbons, D. W. (1993-09-23). "Rare species, the coincidence of diversity hotspots and conservation strategies" (in en). Nature365 (6444): 335–337. doi:10.1038/365335a0. Bibcode: 1993Natur.365..335P.
encyclopedia.com
"Rare Species". www.encyclopedia.com (in ஆங்கிலம்). பார்க்கப்பட்ட நாள் 2017-11-15.
harvard.edu
adsabs.harvard.edu
Prendergast, J. R.; Quinn, R. M.; Lawton, J. H.; Eversham, B. C.; Gibbons, D. W. (1993-09-23). "Rare species, the coincidence of diversity hotspots and conservation strategies" (in en). Nature365 (6444): 335–337. doi:10.1038/365335a0. Bibcode: 1993Natur.365..335P.
