00391nam a2200109Ia 4500008004100000082001700041100002300058245007300081260002900154630001800183650008000201211109s9999||||xx |||||||||||||| ||und|| a511.3bJEV-P aJevons, W Stanly,  0aPrinciples of Science Atribute of Logic and Scientific Method 2nd Ed bUn KnownaMisplacec1920 xGeneral Stack aNatural SciencesvMathematicsGeneral Principales of MathematicsxMathemtics