XL. On the application of force within a limited space, required to produce spherical solitary waves, or trains of periodic waves, of both species, equivoluminal and irrotational, in an elastic solid

Kelvin
1899 The London Edinburgh and Dublin Philosophical Magazine and Journal of Science  
doi:10.1080/14786449908621346 fatcat:g5vvqbccrrbo3pfjwgceszj6li