# #Mon Aug 09 11:41:34 CEST 2010 Slide__SAjGsKOaEd-WfYQ0GneCwQ_title=Interference of Sound Waves Slide__SAjGsKOaEd-WfYQ0GneCwQ_subTitle= Slide__SAjGsKOaEd-WfYQ0GneCwQ_footer=Am\u00E9d\u00E9e Victor Guillemin\: Les phenomenes de las physique, 1869