 | Martin, E.B., 1990. Survey of wildlife products for sale in Saudi Arabia, with particular emphasis on rhino horn. Traffic Bulletin 11 (4): 66-68, map 1, tables 1-2
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 | Martin, E.B., 1989. Report on the trade in rhino products in Eastern Asia and India. Pachyderm 11: 13-22, figs. 1-6, tables 1-7
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 | Martin, E.B., 1989. The rhino product trade in Northern and Western Borneo. Pachyderm 12: 38-41, figs. 1-3
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 | Martin, E.B., 1989. Macao prohibits internal trade in rhino horn and musk. Traffic Bulletin 10 (3/4): 30
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