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Measurement Error and Survey Design in Sightability Model DevelopmentDANIEL P. WALSH, HENRY CAMPA III, DEAN E. BEYER, Jr. and SCOTT R. WINTERSTEIN · The Journal of Wildlife Management · 2011
Incorporating Estimates of Group Size in Sightability Models for WildlifeDANIEL P. WALSH; CONNIE F. PAGE; HENRY CAMPA III; SCOTT R. WINTERSTEIN; DEAN E. BEYER JR. · 2009
Incorporating Estimates of Group Size in Sightability Models for WildlifeDaniel P. Walsh, Connie F. Page, Henry Campa, III, Scott R. Winterstein and Dean E. Beyer, Jr. · The Journal of Wildlife Management · 2009