- Author: R M Harrison R E Hester Erik Gomez Baggethun John Murlis Piran White
- Language: English
- Year: 2010
- Author: R M Harrison R E Hester Anthony K Barbour N A Burdett John Cairns Jr
- Language: English
- Year: 1998
- Author: R.E. HESTER HARRISON
- Language: English
- Year: 1995
- Author: R. E. Hester R. M. Harrison
- Language: English
- Year: 2006
- Author: R. E. Hester R. M. Harrison Ronald E. Hester Roy M. Harrison
- Language: English
- Year: 2001
- Author: R.E. HESTER R HARRISON
- Language: English
- Year: 1997
- Author: Ronald E. Hester Roy M. Harrison
- Language: English
- Year: 2009
- Author: Ronald E. Hester Roy M. Harrison
- Language: English
- Year: 2007
- Author: R.M. Harrison R.E. Hester
- Language: English
- Year: 2004
- Author: R.M. Harrison R.E. Hester
- Language: English
- Year: 2003