Kragh, H. (2001).
Big-bang theory. In A. Hessenbruch (Ed.),
Reader's Guide to the History of Science (pp. 78-79). Fitzroy Dearborn Publishers, Incorporated.
Kragh, H. & Hessenbruch, A. (Ed.) (2001).
Cosmology. In
Reader's Guide to the History of Science (pp. 153-154)