00309nam a2200109Ia 4500008004100000040002500041082001200066100004600078245002300124260004400147300000800191230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a960 L55  aLeppert, Ella C.  and Ellen C. K. Johnson 0aSub-Saharan Africa  bCharles e. Merrill Publishing Co.c1980  a136