| Raloff, J., 1999. Rarest of the rare: remote-camera images and dung-heap data give a portrait of Vietnam's rhinos. Science News 156 (10): 153-155, figs. 1-6
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| Raloff, J., 1999. Rarest of the rare [Vietnam's Javan rhino]. Science News 156 (September 4, 1999): 153-155, 6 plates
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