Engelhardt, A (2004) The Significance of Male and Female Reproductive Strategies for Male Reproductive Success in Wild Longtailed Macaques (Macaca Fascicularis). Cuvillier Verlag. ISBN 3865371701

Engelhardt, A, Pfeifer, J-B, Heistermann, M, Niemitz, C, van Hooff, JARAM and Hodges, JK (2004) Assessment of female reproductive status by male longtailed macaques, Macaca fascicularis, under natural conditions. Animal Behaviour, 67 (5). pp. 915-924. ISSN 0003-3472

French, C J (2004) Tree planting for phytoremediation : the fate of soil contaminants on brownfield sites. Doctoral thesis, Liverpool John Moores University.

Law, AS, Logie, RH, Pearson, DG, Cantagallo, A, Moretti, E and Dimarco, F (2004) Resistance to the impact of interruptions during multitasking by healthy adults and dysexecutive patients. ACTA PSYCHOLOGICA, 116 (3). pp. 285-307. ISSN 0001-6918

Smale, D J (2004) Magic realism : transformations and migrations of a disputed critical category. Doctoral thesis, Liverpool John Moores University.

Wilson, G P (2004) Microfossil and isotopic evidence for Holocene sea-level change in the Mersey Estuary. Doctoral thesis, Liverpool John Moores University.