Hansen, K. 1981. EVOLUTION AND MINERALIZATION OF THE ARABIAN-NUBIAN SHIELD (King Abdulaziz University. Institute of applied geology. lAG bull. No. 3). Oxford 1979. Vol. 1. XI, 187 s., ill. & 2 kort. Vol. 2. VIII, 205 s., ill. & l kort. 28 cm, pr. vol. $ 30.-. Pergamon Press. Geografisk Tidsskrift. 81, (jan. 1981).