Falsification of a single-species hypothesis by using the coefficient of variation: A critiqueJ. A. Kieser · 1994

Uniformitarianism and fossil species: A reply to Dr. Julius KieserDana A. Cope; Michael G. Lacy · 1994

Comparative application of the coefficient of variation and range-based statistics for assessing the taxonomic composition of fossil samplesDana A. Cope; Michael G. Lacy · 1995