00337nam a2200121Ia 4500008004100000040002500041082001200066100003400078245003900112250001900151260003700170300000800207230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a581 K91  aKroque, Kent and Roben Finley 0aExploration in biological science   aSecond Edition  bBurgess Publishing Companyc1977  a190