Bojowald, Martin Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
195048.pdf (Preprint), 262KB
Bojowald, M., Maartens, R., & Singh, P. (2004). Loop Quantum Gravity and the Cyclic Universe. Physical Review D, 70: 083517. Retrieved from http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRVDAQ000070000008083517000001&idtype=cvips&gifs=yes.