Katsutsugu Matsuyama Tadahiro Fujimoto Kazunobu Muraoka Norishige Chiba Generation of tree movement sound effects. 531-545 2005 16 Journal of Visualization and Computer Animation 5 http://dx.doi.org/10.1002/cav.58 db/journals/jvca/jvca16.html#MatsuyamaFMC05