Weber, J.C,, Sotelo Montes, C., Cornelius, J., and Ugarte-Guerra, J. (2011) Genetic variation in tree growth, stem form and mortality of Guazuma crinita in slower and faster-growing plantations in the Peruvian Amazon. Silvae Genetica, 60 (2). pp. 70-78.

Cornelius, Jonathan, Montes, Sotelo C., Ugarte-Guerra, Julio, and Weber, J.C. (2011) The effectiveness of phenotypic selection in natural populations: a case study from the Peruvian Amazon. Silvae Genetica, 60 (5). pp. 205-209.

Cornelius, J.P., Weber, J.C., Sotelo-Montes, C., and Ugarte-Guerra, L.J. (2010) Phenotypic correlations and site effects in a Peruvian landrace of peach palm (Bactris gasipaes Kunth). Euphytica, 173 (2). pp. 173-183.

Cornelius, Jonathan P., Mesén, Francisco, Ohashi, Selma, Toyoko, Leão, Noemi, Silva, Claudio Emídio, Ugarte-Guerra, L. Julio, and Wightman, Kevyn E. (2010) Smallholder production of agroforestry germplasm: experiences and lessons from Brazil, Costa Rica, Mexico and Peru. Forests, Trees and Livelihoods, 19 (3). pp. 201-216.

Cornelius, J.P., Clement, C.R., Weber, J.C., Sotelo-Montes, C., Van Leeuwen, J., Ugarte-Guerra, L.J., Ricse-Tembladera, A., and Arevalo-Lopez, L. (2006) The trade-off between genetic gain and conservation in a participatory improvement programme: the case of peach palm (Bactris gasipaes Kunth). Forests, Trees and Livelihoods, 16 (1). pp. 17-34.