857.3 Gyn A Gynhter , R S Accounting for price-level changes ., thecry and procedimed. Obford, Pergamón Press, 1966. xi , 259 p. 20 cm . (The conmonwealth and international library : social administration, training ., economics production division) " Bibliography" : p. 245-248 . Notas bibliográficas al pie de las paginas .