6Elizabeth J.Impact of tight money and recessions on small business[J/OL].[1995-12-01].Small business research summary,1995(12):1.http://www.sba.gov/advo/research/rs230.pdf.
7Chilton K.Wakoh H.What should government do for small business?[J].Journal of small business management,1984(1):1-3.
8Audretch B.The ability of banks to lend to informationally opaque small business[J].Journal of banking&finance,2001(25):2127-2167.
9Richard T.Shifting federally funded research into Pasteur's Quadrant:a case study of the SBIR program at NIH[D].Fairfax:George Mason University,2003.