Quantitative study of the effect of dust on reflectivity of outdoor mirrors in the Negev

D. Faiman, Israel). Merkaz le-energyah ule-fiziḳah shel ha-sevivah Makhon le-ḥeḳer ha-midbar ʻal shem Yaʻaḳov Blaʾushṭain (Śedeh Boḳer, Sergei Biryukov, Universiṭat Ben-Guryon ba-Negev, Israel. Miśrad ha-energyah ṿeha-tashtit. Agaf meḥḳar u-fituaḥ