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Farrell, Helen and Boyle, Ken and Rybaczuk, Krysia (2006) Landscape character assessment in the Republic of Ireland. LCN News, The Landscape Character Network Newsletter, 21 . pp. 10-12. ISSN UNSPECIFIED
Farrell, Helen and Boyle, Ken and Rybaczuk, Krysia (2004) The use of GIS in establishing a trail inventory and trail-monitoring sustainability indicators. In: Environ2004: Irish Environmental Researchersï¿½ Colloquium, University of Limerick.
Munya, Andrew and Byrd, Hugh and Haarhoff, Errol (2012) Urban agriculture as an integral part of urban growth management strategies and the implications on urban form policy: the case of Auckland NZ. In: Agriculture in an Urbanizing Society: International Conference on Multifunctional Agriculture and Urban-Rural Relations‘, 1st-4th April 2012, Wangenigen, the Netherlands.
Farrell, Helen (2007) An investigation of a GIS-based methodology for the sustainable, participative management of walking routes in Ireland. PhD thesis, Dublin Institute of Technology.