Survey on national standards on paper and ink to be used by the administration for records creation [Texto policopiado]] / prepared by D. L. Thomas ; [ed. lit.] General Information Programme, UNISIST . - Paris : UNESCO, cop. 1987 . - [8], 47, [6] p. 006:003.5 / 003.5:006 /

C.S6.07.12.6 /Cx293