00267nam a2200109Ia 4500008004100000020001800041041000800059100001500067245003200082260003500114300000800149230724s2012 xx und d a9780000000000 aeng aCHING D.K. aDRAWING A CREATIVE PROCESS. bJOHN WILEY AND SONS LTD.c2012 a206