1. Evaluation of methods for monitoring sparse patterned vegetation in arid rangelands, II: Trees and shrubs;Friedel;Journal of Environmental Management,1987
2. Rodgers W.A. (1987). Domestic Livestock and Wildlife Conservation: Can they Co-exist? Paper delivered at The 8th Rangeland Symposium at Jhansi, Uttar Pradesh, India: pp. 639–41 in Third International Rangeland Congress, New Delhi, India (Ed. Ponjal Singh). [Not available for checking.]