E.J.L. Soulsby
Biology of parasites emphasis on veterinary parasites:proceedings of the second international conference of the world association for the advancement of veterinary parasitology held at the University of Pennsylvania, Philadelphia, Sept. 6th to 9th, 1985/ edited - Academic Press New York 1968 - xiv, 354 pages
HEL SOU 1968 C283 Or.1
Biology of parasites emphasis on veterinary parasites:proceedings of the second international conference of the world association for the advancement of veterinary parasitology held at the University of Pennsylvania, Philadelphia, Sept. 6th to 9th, 1985/ edited - Academic Press New York 1968 - xiv, 354 pages
HEL SOU 1968 C283 Or.1