@Article{IPB-1563, author = {Biondi, E. and Branciamore, S. and Fusi, L. and Gago, S. and Gallori, E.}, title = {{Catalytic activity of hammerhead ribozymes in a clay mineral environment: Implications for the RNA world.}}, year = {2007}, pages = {10-18}, journal = {Gene}, volume = {389}, }