00291nam a2200097Ia 4500008004100000040002500041082002600066100001500092245005400107260003200161240215s9999    xx            000 0 und d  aNORSU-DumcNORSU-Dum  a624.10151738/W13/1970  aWah, Thein 0aStructural Analysis by Finite Difference Calculus  bVan Nostrand Reinholdc1970