Nik Mohd. Idris Yusoff. Some spectroscopic studies on heterocyclic quaternary salts / by Nik Mohd. Idris Yusoff. - Victoria : La Trobe University, 1979. - 89 p. : ill. ; 299 cm. Photocopy Thesis (M. Sc.) - La Trobe University, 1979. Bibliography : p. 88. Subjects--Topical Terms: Fused salts.