National library and information needs : alternative means of fulfilment, with special reference to the role of national libraries [texto policopiado] / Maurice B. Line ; org. UNESCO
. - Paris : Unesco, 1989
. - V, 62 p. 31 cm
. - (; PGI-89/WS/9)
027.54 /
C.S6.07.12.2/Cx261
