A.V. Williams Jackson, Notes from India, Second Series: A Visit to Ujjain, Bhartṛhari's Cave, Legends of King Vikrama, Journal of the American Oriental Society, vol. 23 (1902), pp. 307-317, at p. 315.
Captain Sir Richard F. Burton, Vikram and the Vampire: Classic Hindu Tales of Adventure, Magic, and Romance, first published in 1870. Burton believed that his story was the original of Apuleius' (b. 130 CE) Golden Ass.
Raffaella Riva, The Tales of the Bewitched Corpse: A Literary Journey from India to China, contained in: Alfredo Cadonna, ed., India, Tibet, China: Genesis and Aspects of Traditional Narrative, Leo S. Olschki Editore (Florence 1999), pp. 229-256, at p. 233.