00335nam a2200145Ia 450000500170000002000090001708200080002610000470003424500260008125000080010726000520011530000080016750000080017565000060018320250827082603.0  aNULL  a164  aWhitehead, Alfred North/ Russell, Bertrand 0aPrincipia Mathematica  a2nd  aCambridgebUniversities Press (India) Pvt. Ltd.  a410  a426  a-