Devra I. Jarvis

The utility of crop genetic diversity in maintaining ecosystem services

Reem Hajjar, B. Gemmill-Herren, R. Hajjar, 2008 .

A global perspective of the richness and evenness of traditional crop-variety diversity maintained by farming communities

Toby Hodgkin, Bhuwon Sthapit, Pham Hung Cuong, 2008, Proceedings of the National Academy of Sciences.