Still in business : the ivory trade in Asia, seven years after the CITES ban
1997
Nash, Stephen V. |
Ivory
Guide d'identification de l'ivoire et de ses substituts
1991
Espinoza, Edgard O. |
Mann, Mary-Jacque |
Four years after the CITES ban : illegal killing of elephants, ivory trade and stockpiles
1995
Dublin, Holly T. |
Milliken, Tom |
Barnes, R. F. W. |