More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
Himanen, J. P.; Rajashankar, K. R.; Lackmann, M.; Cowan, C. A.; Henkemeyer, M.; Nikolov, D. B. Nature (2001)
Walker, J. R.; Corpina, R. A.; Goldberg, J. Nature (2001)
Peng, H.; Marians, K. J. Proceedings of the National Academy of Sciences of the United States of America (1993)