The archival appraisal of sound recordings and related materials [fotocopiado] : a RAMP study with guidelines / prepared by Helen P. Harrison ; with a contribution from Rolf L. Schuursma ; [ed. lit.] General Information Programme and UNISIST
. - Paris : UNESCO, 1987
. - [7], 86, [5] p. 30 cm
930.251::086 /
C.S6.07.11.6/Cx236
