1
Main Authors:
Published: Foreign Languages Pub. House,
Publication Dates: 1960.
Call Number: 540/G561
Published: Foreign Languages Pub. House,
Publication Dates: 1960.
Call Number: 540/G561
2
Main Authors:
Group Author:
Published: F. L. P. H,
Publication Dates: [19--]
Call Number: 541.22/R813
Group Author:
Published: F. L. P. H,
Publication Dates: [19--]
Call Number: 541.22/R813
3
Main Authors:
Published: Mir Publishers,
Publication Dates: 1970.
Call Number: P313/M236/2d ed./
Published: Mir Publishers,
Publication Dates: 1970.
Call Number: P313/M236/2d ed./
4
Main Authors:
Group Author: ;
Published: FLPH,
Publication Dates: 1958.
Call Number: 540.92/Z49
Group Author: ;
Published: FLPH,
Publication Dates: 1958.
Call Number: 540.92/Z49
5
Group Author:
Published: Sofia Press,
Publication Dates: 1979.
Call Number: K835.441/B633D/
; ; ;
Published: Sofia Press,
Publication Dates: 1979.
Call Number: K835.441/B633D/