: 1. The purification and properties of arginase of rats' brain (with G.Buniatian), 1970, Biochemistry, Moscow, V.35, p.412.

2. Separation and enzymatic analyses of Aspergillus niger R-3 peroxisomes (with S.P.Hovanesyan, J.Chandoga), 1990, Biochemistry, Moscow, 12, p.2221.

3. Method of obtain l-aminoacids' oxidase (with E.G.Bagdasarian, G.E.Bagdasaryan, M.B.Atanesyan), 1991, Patent USSR, # 1604478

4. On the presence of FAD and Fe++ ions in the enzyme preparation of D-aminoacids oxidase from Aspergillus niger R-3 (with S.P.Hovanesyan, H.H.Babayan), 1992, Appl. Biochem. Microbiol., Moscow, V.28, #3, p.392.

5. Purification of enzymes of proline in rat cerebellum (with A.Ch.Aghajanyan), 1992, Biol.J.Arm., V.45, #2, p.135. Recent Publications:

1. Enzymes of biosynthesis of proline in rat cerebellum (with A.Ch.Aghjanyan, B.A.Aghajanyan),1997, Biol.J.Arm., V.50, #1-2.

2. Role of functional SH-groups on detection of liver arginase activity of tadpoles Rana ridibunda (with E.Ch.Barsegyan, N.Arzruni), 1998, Biol.J.Arm., V.51, #4.

3. Some properties of liver arginase of tadpoles Rana ridibunda (with E.Ch.Barsegyan, N.Arzruni), 1998, Biol.J.Arm., V.51, #4.

4. Investigations of peroxisomal L-aminoacids oxidase of Asp. Niger R-3 (with S.P.Hovanesyan, A.R.Papoyan), 1998, Biol.J.Arm., V.51, #3, p.161.

5. The connection of aminoacids deamination with citrulline bioaynthesis in rats' organs (with N.Hairapetyan), 1998, Biol.J.Arm., V.51, #1-2.