David P King, Yaliang Zhao, Ashvin M Sangoram, Lisa D Wilsbacher, Minoru Tanaka, Marina P Antoch, Thomas D.L Steeves, Martha Hotz Vitaterna, Jon M Kornhauser, Phillip L Lowrey, Fred W Turek, Joseph S Takahashi,
Positional Cloning of the Mouse Circadian Clock Gene Cell. ,vol. 89, pp. 641- 653 ,(1997) ,
10.1016/S0092-8674(00)80245-7