Kevan PG and L Shipp (2017): Biological Control as Biotechnological Amelioration and Ecosystem Intensification in Managed Ecosystems. Elsevier Modules in Life Sciences. DOI: 10.1016/B978-0-12-809633-8.09246-3

Kevan PG (2016): Ecological Intensification: More Ways to Invest Green. 12 January, 2016. www.Equities.com (accessed 18-7-2017).

Eardley C, BM Freitas, PG Kevan, R Rader (2016): Chapter I. Background to pollination and pollinators associated with food production. Assessment Report of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services on Pollinators, Pollination and Food Production. IPBES.

Potts SG, VL Imperatriz-Fonseca, HT Ngo, JC Biesmeijer, TD Breeze, LV Dicks, LA Garibaldi, R Hill, J Settele, AJ Vanbergen, MA Aizen, SA Cunningham, C Eardley, BM Freitas, N Gallai, PG Kevan, A Kovács-Hostyánszki, PK Kwapong, J Li, X Li, DJ Martins, G Nates-Parra, JS Pettis, R Rader, BF Viana (2016): IPBES Summary for Policymakers of the Assessment Report of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services on Pollinators, Pollination and Food Production. IPBES.

IPBES (2016): Assessment report of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services on pollinators, pollination and food production. IPBES.

BVT Inc. (2016): Bee Vectoring Technologies Confirms Successful Sunflower 2016 Trial Results. November, 2016. www.beevt.com (pdf file)

Bonet-Ferrer M and CH Vergara (2016): Abejas silvestres de un cafetal orgánico en Veracruz, México. Colección Sapientias. Editorial UDLAP. Puebla, Mexico. pp: 517. ISBN 978-607-7690-57-3

Kevan PG, BM Freitas, CHB Vergara, R Van Dame (2015): Combining pollination and crop protection for more and better coffee. Tea & Coffee Trade Journal (accepted December 2014).

Kevan PG, L Shipp, VG Thomas (2014): What’s the buzz: Using pollinators for crop protection. International Innovation Issue 125, pp. 9–11.

Vergara, CHB, PG Kevan, BM Freitas (2014): Combined pollination and crop protection could increase yields. Coffee & Cacao International, May 2014, pp. 34–35.

Thomas VG and PG Kevan (2012): Insect pollination: Commodity values, trade and policy considerations using coffee as an example. Journal of Pollination Ecology 7(2): 5-15. pdf online