An improved nonparametric lower bound of species richness via a modified good-turing frequency formula

Nonparametric Lower Bounds for Species Richness and Shared Species Richness under Sampling without Replacement

(2012) Anne Chao et al.   BIOMETRICS

Coverage-based rarefaction and extrapolation: standardizing samples by completeness rather than size

(2012) Anne Chao et al.   ECOLOGY

Use of the Ratio Plot in Capture–Recapture Estimation

(2012) Dankmar Böhning et al.   JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS

Assessing non-parametric and area-based methods for estimating regional species richness

(2012) Han Xu et al.   JOURNAL OF VEGETATION SCIENCE

An extension of Chao’s estimator of population size based on the first three capture frequency counts

(2011) K. Lanumteang et al.   COMPUTATIONAL STATISTICS & DATA ANALYSIS

Estimating species richness by a Poisson-compound gamma model

(2010) Ji-Ping Wang   BIOMETRIKA