Ekologichnite predizvikatelstva na bŭdeshteto
By: [sŭstaviteli P. Ganchev, P. Georgiev ; otg. redaktor P. Ganchev].
Contributors: Ganchev, Petko D.; Georgiev, Pavel.
Edition: 1. izd.
Series: Chovechestvoto na praga na XXI vek; Chovechestvoto na praga na XXI vek (Partizdat (Bulgaria))
Publisher: Partizdat
Published: 1989
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 269
Notes: Includes bibliographical references.