00521cam a22002171 4500 ne 63000337 DLC 20260227111741.0 890529s1962 xx a 000 0 ara ne 63000337 (OCoLC)23513524 DLC MiU DLC premarc QC6 .B28 Badr, ʻAbd al-Raḥīm al-Kawn al-aḥdab. [1962] 271 p. illus. 24 cm. Romanized. Relativity (Physics) 45576 45576