7Karlis A. Gross, Louis M. Rodriguez-Lorenzo, et al. Biodegradable composite scaffolds with an interconnected spherical network for bone tissue engineering. Biomaterial, 2004, 25:4955-4962
8Ang T. H., Sultana F. S. A. and Hutmacher D. W. Fabrication of 3D chitosan-hydroxyapatite scaffolds using a robotic dispensing system. Mater. Sci. Eng., 2002, 20:35-42
9C.O. Aksoy. Chemical injection application at tunnel service shaft to prevent groundsettlement induced by groundwater drainage: A case study[J]. Int.J.Roc.Mech & Min. Sci., 2008, 45: 376-383.
10O.Buzzi,S.Fityus,Y.Sasaki.Structure and properties of expanding polyurethane foam in the context of foundation remediation in expansive soil[J]. Mech.Mater., 2008, 40: 1012- 1021.
