R. Reiffers

Less lineages - more trait variation: phylogenetically clustered plant communities are functionally more diverse.

J. Schaminée, W. Ozinga, O. Tackenberg, 2008, Ecology letters.

Experimental manipulation of predation risk and food quality: effect on grazing behaviour in a central-place foraging herbivore

H. Olff, E. S. Bakker, J. M. Gleichman, 2005, Oecologia.