Modern name for the site of the funerary complex of Djedefre of Dynasty 4, which includes the remains of his pyramid and associated temples, as well as a major cemetery of the Early Dynastic Period and a pyramid of Dynasty 3. The site has been excavated by French expeditions since 1901, notably under Fernand Bisson de la Roque in 1922–1924 and Pierre Montet in 1937; a Dutch expedition in 1957–1959; and a joint French–Swiss team since 1995.
Historical Dictionary Of Ancient Egypt by Morris L. Bierbrier
Ancient Egypt. A Reference Guide. EdwART. 2011.