1
Group Author:
Published: World Scientific Pub. Co.,
Publication Dates: c1988.
Call Number: O753-64/A881/
;
Published: World Scientific Pub. Co.,
Publication Dates: c1988.
Call Number: O753-64/A881/
2
Corporate Authors:
Group Author:
Published: World Scientific Pub. Co.,
Publication Dates: 1988.
Group Author:
Published: World Scientific Pub. Co.,
Publication Dates: 1988.
3
Main Authors:
Corporate Authors:
Group Author: ;
Published: Pub. House of the Bulgarian Academy of Sciences,
Publication Dates: 1984.
Call Number: O753/K61/
Corporate Authors:
Group Author: ;
Published: Pub. House of the Bulgarian Academy of Sciences,
Publication Dates: 1984.
Call Number: O753/K61/