Intraspecific Variation for Leaf Physiological and Root Morphological Adaptation to Drought Stress in Alfalfa (Medicago sativa L.) oleh Silvas Prince, Silvas Prince, Md Rokebul Anower, Christy M. Motes, Timothy D. Hernandez, Fuqi Liao, Fuqi Liao, Laura Putman, Rob Mattson, Anand Seethepalli, Kushendra Shah, Michael Komp, Michael Komp, Perdeep Mehta, Larry M. York, Larry M. York, Carolyn Young, Carolyn Young, Maria J. Monteros, Maria J. Monteros