OCLC 829891777. OL 31589325M. NLC 000911709. (简体中文) Joyce, Walter G.; Revan, Ariel; Lyson, Tyler R.; Danilov, Igor G. Two New Plastomenine Softshell Turtles
Astronomical Journal, December 1964, 69: 853, Bibcode:1964AJ.....69..853H, doi:10.1086/109360 Tyler, Craig, Particle dark matter constraints from the Draco dwarf