@ARTICLE{ppr:hewitson:2003:2, title = {{C}alibration of the power-recycled gravitational wave detector, {GEO} 600}, status = {}, author = {M.~Hewitson, H.~Grote, G.~Heinzel, K.~A.~Strain, H.~Ward and U.~Weiland}, journal = {Review of Scientific Instruments}, volume = {74}, pages = {4184-4190}, year = {2003}, }