Poli, R and McPhee, NF (2014) 'Parsimony pressure made easy: Solving the problem of bloat in GP.' In: UNSPECIFIED, (ed.) Natural Computing Series. UNSPECIFIED, 181 - 204.

Poli, R and McPhee, NF and Citi, L and Crane, E (2009) Memory with memory in tree-based genetic programming. In: UNSPECIFIED, ? - ?.

Poli, R and McPhee, NF (2008) CES-479 A Linear Estimation-of-Distribution GP System. UNSPECIFIED. CES-479, Colchester.

Poli, R and McPhee, NF (2008) CES-480 Covariant Parsimony Pressure for Genetic Programming. UNSPECIFIED. CES-480, University of Essex, Colchester.