00238nam a2200085Ia 4500 211105s9999 xx 000 0 und d " OLIVIER, G ; MALAN, J.J 129493 Engineering science N1 : a ten week course 606934 606933 0 0 0 0 ERMELL ERMELL 2021-11-08 50.00 0 ST 620 OLIV 3300310016248 2021-11-08 2021-11-08