@article {, title = {Enhanced Acoustic Reflectivity Due to High Abundance of Sand Dollars, Dendraster excentricus}, volume = {19}, year = {2001}, pages = {135-145}, publisher = {Taylor \& Francis}, keywords = {Other}, author = {Fenstermacher, L E and Crawford, G B and Borgeld, J C and Britt, T and George, M and Klien, A and Driscoll, Neal W and Larry A Mayer} }