@article {2001|1520, title = {Lanthanide cation binding to a phosphoryl-calix{[}4]arene: the importance of solvent and counterions investigated by molecular dynamics and quantum mechanical simulations}, journal = {Phys. Chem. Chem. Phys.}, volume = {3}, number = {7}, year = {2001}, pages = {1317{\textendash}1325}, author = {Marc Baaden and Burgard, M and Boehme, C and Wipff, G} }