Virginia D. Engle

General guidelines for using the sediment quality triad

Peter M. Chapman, Christopher G. Ingersoll, Michael H. Salazar, 1997 .

A benthic index of environmental condition of Gulf of Mexico estuaries

J. Kevin Summers, J. Summers, V. Engle, 1994 .

Assessing Water Clarity as a Component of Water Quality in Gulf of Mexico Estuaries

J. Kevin Summers, J. Summers, V. Engle, 2006, Environmental Monitoring & Assessment.