Tokhnit ha-peʻulah le-Yam ha-Tikhon
Subtitle: maʾamats benleʾumi li-meniʻat zihum ha-yam
Publisher: Sherut li-shemirat ekhut ha-sevivah
Published: 197u
Place of publication: Yerushalayim
Language: heb
Number of pages: 16
Subjects: Water; Pollution; Marine pollution