[1]
Tavakoli-Hoseini, N. and Davoodnia, A. 2010. Silica Gel-Supported Polyphosphoric Acid: A Mild, Efficient and Reusable Catalyst for the One-Pot Synthesis of 1,2,4,5-Tetrasubstituted Imidazoles. Asian Journal of Chemistry. 22, 9 (Jul. 2010), 7197–7200.