Online Corpus of the Inscriptions of Ancient North Arabia
Ringgren 1972
Full Citation
Ringgren, H. The Root ṢDQ in Poetry and the Koran. Pages 134-142 in [no ed.], Ex Orbe Religionum, Studia Geo Widengren... Pars II. Studies in the History of Religions. (Supplements to Numen , 22). Leiden: Brill, 1972.