Nature 424: 6949 07 August 2003 Bottlenose dolphins perceive object features through echolocation Heidi E. Harley, Erika A. Putman & Herbert L. Roitblat Page 667 <http://www.nature.com/nlink/v424/n6949/abs/nature01846_fs.html>
================================= XIAO Jianqiang Institute of Hydrobiology The Chinese Academy of Sciences Wuhan, Hubei, 430072 China [EMAIL PROTECTED] =================================
