C. H. · C. Howard Walker · C. W. · C. Walker · Colin H. Walker · H.W.
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Organic Pollutants: An Ecotoxicological Perspective, Second Edition | Hardcover | 978-1-4200-6258-8 | 2008 | |
| Principles of Ecotoxicology | Paperback | 978-0-7484-0940-2 | 2000 | R.M. Sibley · D.B. Peakall · Stephen P. Hopkin |
| Principles of Ecotoxicology | Hardcover | 978-0-7484-0220-5 | 1996 | R.M. Sibley · D.B. Peakall · S.P. Hopkin |
| Principles of Ecotoxicology, Third Edition | Paperback | 978-0-8493-3635-5 | 2005 | Steve P. Hopkin · R.M. Sibly · D.B. Peakall |