Sikum shel mezahame ha-aṿir be-Yiśraʾel ba-shanim 1976 ṿe-1977
Publisher: ha-Yeḥidah li-meniʻat mifgeʻe zihum u-ḳerinah
Published: 1979
Place of publication: Tel Aviv]
Language: heb
Number of pages: 43
Subjects: Ecology; Air; Pollution