Roth, J. E., Kelly, J. P., Sydeman, W. J., Parker, M. W., Allen, S. G., ,
Informe técnico
Roth, J. E., J. P. Kelly, W. J. Sydeman, M. W. Parker y S. G. Allen. 1999. Ecosystem-level management of Common Ravens on the Point Reyes National Seashore. Informe para Point Reyes National Seashore. Point Reyes Station, CA.
