Photoacoustic thermal characterization of the dehydration process of Agar-SiO2 emulsions T. Lopez, M. Picquart, G. Aguirre, Y. Freile, D.H. Aguilar, P. Quintana et J.J. Alvarado-Gil J. Phys. IV France, 125 (2005) 177-180 DOI: 10.1051/jp4:2005125041