Head, Jason     Drazinderetes tethyensis, a new large trionychid (reptilia: testudines) from the marine eocene drazinda formation of the sulaiman range, punjab (Pakistan) [Текст] / University of Michigan, Museum of paleontology // Contributions from the Museum of paleontology. Vol. 30, N 9 / The University of Michigan. - Ann Arbor : The University of Michigan , 1999. — pp.199-214.