00317nam a2200109 a 450000500170000000800410001704100080005810000250006624500710009126400340016230000110019620260717091716.0260717s1991    ii            000 0 eng d  aeng1 aNarlikar, Jayant. V.14aThe frontier between physics and astronomy /cNarlikar, Jayant. V. 1aMadras :bMacm.ill.an,c1991.  a110 p.