Gurtu, J.N. Razdan, S. Phase rule / by J.N. Gurtu and S. Razdan - 3rd. ed. - Meerut : Pragati Prakashan , 1975 . - 160p. Hard Back Subjects--Topical Terms: Chemistry Physical And Theoretical ChemistryPhase rule and equilibrium Dewey Class. No.: 541.363 / GUR-P