Thermal characterization of coal using piezoelectric photoacoustic microscopy Biswas, A. ; Ahmed, T. ; Johnson, K. W. ; Telschow, K. L. ; Crelling, J. C. ; Myers, J. M. Abstract Publication: Canadian Journal of Physics Pub Date: September 1986 DOI: 10.1139/p86-206 Bibcode: 1986CaJPh..64.1184B