Podhouse, P., Barling, R. W. A., Clark, W. I. C., Kinmonth, A.-L., Mark, E. M., & Roberts, D., et al. (1975). The feeding and ranging behaviour of galapagos giant tortoises (geochehne elephantopus) the cambridge and london university galapagos expeditions, 1972 and 1973. Journal of Zoology, 176(3), 297–310. |
|