Sudhakaran, A. A., & Jacob Philip. (1996). Application of the photoacoustic technique for imaging and thermal charaterisation of solid samples. Cochin University of Science and Technology.

Sudhakaran, A. A., and Jacob Philip. Application of the Photoacoustic Technique for Imaging and Thermal Charaterisation of Solid Samples. Cochin: Cochin University of Science and Technology, 1996.

Sudhakaran, A. A., and Jacob Philip. Application of the Photoacoustic Technique for Imaging and Thermal Charaterisation of Solid Samples. Cochin University of Science and Technology, 1996.