1. "Structural Performance of an Elastically Stowable TubularTrussColumn," Proceedingsofthe43rd Structures,StructuralDynamics andMaterials Conference,AIAA-2002-1555,Denver,Colorado, April,2002.
2. Lee D. "StructuralPerformance of aGossamer Isogrid ColumnwithInitial Geometric Imperfections"AIAA-2001-1682.Proceedingsof the42ndStructures,StructuralDynamicsand Materials Conference,Seattle,Washington,April, 2001.