Text ( visual ) : unmediated The economics of urban residential renewal and improvement / R.M. Kirwan and D.B. Martin ; with assistance from I. Bruegel and M. Ball. -- London : Centre for Environmental Studies , 1972. -- 171 p. ; 30 cm. -- (Working papers ; CES WP 77). -- Bibliography: p. 153-156. -- ISBN 0901350869 ; (BA34436099) ; https://ci.nii.ac.jp/ncid/BA34436099 Author Heading(s): Centre for Environmental Studies (Great Britain) ; Kirwan, R. M. (Richard Martin) ; Martin, D. B. ; Ball M. ; Bruegel, I.. -- Classification(s): LCC : HT170 ; DC : 338.4/7/309262. -- Subject Heading(s): LCSH : Urban renewal -- Case studies