s. London: Blackwell.

Dicke, R. H. [1961]: “Dirac’s Cosmology and Mach’s

Nature Letters

192 , 440-1.

Dijksterhuis, E. J. [1956]:

The Mechanization of the World Picture.

Oxford: Clarendon 1961.

Dirac, P. M. [1961]: “Dicke’s Cosmology and Mach’s

Nature

192 , 440-1.

অজানা পৃষ্ঠা