Dennis R. Helsel

3 books • 1 series

May 1, 2013
Cover of Nutrients in the Nation's Waters, Too Much of a Good Thing?

Nutrients in the Nation's Waters, Too Much of a Good Thing?

Dec 6, 2011
Cover of Statistics for Censored Environmental Data Using Minitab and R, Second Edition

Statistics for Censored Environmental Data Using Minitab and R, Second Edition

Nov 1, 2004
Cover of Nondetects and Data Analysis

Nondetects and Data Analysis (Statistics in Practice)