Hobbs, R.J.; Mooney, H.A. 1991. Effects of rainfall variability and gopher disturbance on serpentine annual grassland dynamics. Ecology. 72(1): 59-68.
 
					Hobbs, R.J.; Mooney, H.A. 1991. Effects of rainfall variability and gopher disturbance on serpentine annual grassland dynamics. Ecology. 72(1): 59-68.