D.  Sarma and Kumar, A., ?Hydrophobic effects are dominant over secondary orbital interactions for a simple Diels-Alder reaction in salt solutions?, Organic Letters, vol. 8, no. 10, pp. 2199-2202, 2006.

D.  Sarma, Pawar, S. S., Deshpande, S. S., and Kumar, A., ?Hydrophobic effects in a simple Diels-Alder reaction in water?, Tetrahedron Letters, vol. 47, no. 23, pp. 3957-3958, 2006.