..:Yrd.Doc.Dr. Celal Bayrak:..


1-)	3rd General Conferance of the Balkan Physical Union;( Poster) An Infrared and Raman Spectroscopic Study of Hofmann-Td-Type Complexes of Pyridine Derivaties.
		C. Bayrak, S. Bayarı and Z. Kantarcı 2-5 September 1997. Cluj-Napoca, Romania
2-)	International Symposium on Lazers, Atomic and Molecular Physics; Lamb 97.(Poster)
	Infrared Spectroscopic Study of Hofmann-Type Clathrates: Cd(propylenediamine)Ni(CN)4.1,5 benzene and M(propylenediamine) Ni(CN)4 (M=Co or Ni ).
		C. Bayrak, E. Kasap, Z. Kantarcı 16-20 Semptember 1997. Istanbul Technical University, Maçka Campus-Istanbul Turkey
3-)	Colloquium Spectroscopicum Internationale XXXI, Semptember 5-10, 1999, Ankara –TURKEY. ( Poster)
	1-)	Infrared Spectroscopic Study on the Td-Type Clathrates; Mn (NH3)2Zn(CN)4.2C6H6 and Mn (ethylenediamine) Zn (CN)4.2 C6H6
		Celal Bayrak, Ziya Kantarcı, Ergün Kasap
	2-)	An Infrared Spectroscopic Study of Td-type Clathrates; Mn (4,4’-bipyridyl) M(CN)4.2 benzene (M=Zn, Cd or Hg ) and Mn (pyrazine)M(CN)4.benzene (M=Cd or Hg)
		Burhan Davarcıoğlu, Celal Bayrak, Ziya Kantarcı