Advanced distance samplingS. T. Buckland, D. R. Anderson, K. P. Burnham, D. L. Borchers, J. L. Laake · First published 2004Open the Tome
Estimating animal abundanceD. L. Borchers, D.L. Borchers, S.T. Buckland, W. Zucchini · First published 2002Open the Tome