Tchernavsky, Aharon, 1887- Gilgule ha-energiyah ba-ṭevaʻ. - Mahad. metuḳenet u-murḥevet. - Jerusalem : R. Mas, [1965] - 125 p. : port. ; 17 cm. - Sifriyat Dani le-madaʻ populari ; sefer 2 . LCCN: he 68003817 Subjects--Topical Terms: Force and energy. LC Class. No.: QC73 / .T27 1965