* Itzhak Bars, John Terning, Extra dimensions in space and time, New York, Springer, Multiversal journeys series, 2010, ISBN 978-0-387-77638-8.
hep-th/0610187* (есть preview) Itzhak Bars, John Terning, Extra dimensions in space and time, N.Y.: Springer, Multiversal journeys series, 2010, ISBN 978-0-387-77638-5.