A. M.  Kulkarni, Pandit, K. S., Chavan, P. V., Desai, U. V., and Wadgaonkar, P. P., ?Cobalt ferrite nanoparticles: a magnetically separable and reusable catalyst for Petasis-Borono-Mannich reaction?, RSC Advances, vol. 5, no. 86, pp. 70586-70594, 2015.