R. Kumar, B. Santhi, V. Mr., and V. Kannappan, “Ultrasonic and Spectral Studies on Hydrogen Bonded Complexes of Aromatic Aldehydes and N-Methylaniline in n-Hexane”, J. Appl. Sol. Chem. Model., vol. 2, no. 3, pp. 197–204, Aug. 2013.