Romme W.H., Allen C.D., Bailey J.D., Baker W.L., Bestelmeyer BT, Brown P.M., Eisenhart K.S., Floyd-Hanna L., Huffman D.W., Jacobs B.F et al..  2009.  Historical and modern distrubance regimes, strand structures, and landscape dynamics in pinon-juniper vegetation of the western United States. Rangeland Ecology and Management. 62:203-222.