Restraint of Przewalski's horses Equus caballus przewalskii for reproductive studies at the National Zoo's Conservation and Research Center (NZP-CRC) at Front Royal, VA
MacNamara, Mark and Williamson, Linwood R. 2009. "Restraint of Przewalski's horses Equus caballus przewalskii for reproductive studies at the National Zoo's Conservation and Research Center (NZP-CRC) at Front Royal, VA." Animal Keepers' Forum, 36, (3) 114–118.