Hebeṭim energeṭiyim be-tikhnun be-ezorim midbariyim

by Yitsḥaḳ Meʾir, D. Faiman, Yair ʻEtzion, Israel. Miśrad ha-energyah ṿeha-tashtit. Agaf meḥḳar u-fituaḥ, Israel) Makhon le-ḥeḳer ha-Negev (Beersheba