1 "Ficheiro:Calculus_Made_Easy_by_Silvanus_P._Thompson-LibriVox_43.mp3".

Ficheiro:Calculus Made Easy by Silvanus P. Thompson-LibriVox 43.mp3

Commons Public Domain Mark 1.0falsefalse English recording of a part of the book Calculus Made Easy by Silvanus P. Thompson. determination method: SHA-1...