A környezetvédelem nemzetközi körképe
By: Láng István ; [az illusztrációkat Dallos Jenő készítette].
Series: Biológiai környezetünk védelme
Publisher: Mezőgazdasági Kiadó
Published: 1980
Place of publication: [Budapest]
Language: hun
Number of pages: 212
Subjects: Environmental protection -- International cooperation.
Notes: Bibliography: p. 207-[210]