Bennett, S. C. (2005). "Pterosaur Science or Pterosaur Fantasy." Prehistoric Times, No. 70, pp. 21-23 & 40. [1]Arhivirano 2006-09-12 na Wayback Machine-u
Bennett, S. C. (2005). "Pterosaur Science or Pterosaur Fantasy." Prehistoric Times, No. 70, pp. 21-23 & 40. [1]Arhivirano 2006-09-12 na Wayback Machine-u