Harold W. Kerster

Assessing ecosystem impacts from simulant and decontaminant use

David J. Schaeffer, Edwin E. Herricks, Keturah A. Reinbold, 1988 .

Ecosystem health: I. Measuring ecosystem health

David J. Schaeffer, Edwin E. Herricks, Harold W. Kerster, 1988 .

Monitoring toxics by group testing

David J. Schaeffer, Konanur G. Janardan, K. G. Janardan, 1982 .