M. Marianski, A. Supady, T. Ingram, M. Schneider and C. Baldauf, Assessing the accuracy of across-the scale methods for predicting carbohydrate conformational energies on the example of glucose and a-maltose, Journal of Chemical Theory and Computations, 2016, 12, pp.~6157-6168, doi: 10.1021/acs.jctc.6b00876.