Spet︠s︡ialist--biblioteka--bibliografii︠a︡
Subtitle: Opyt issledovanii︠a︡ prof. potrebnosteĭ v informat︠s︡ii
By: [Red. M. P. Gastfer i dr.]
Contributors: Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina
Publisher: "Nauka,"
Published: 1971
Place of publication: Moskva
Language: rus
Number of pages: 446
Subjects: Reference services (Libraries)
Notes: At head of title: Gosudarstvennai︠a︡ ordena Trudovogo Krasnogo Znameni publichnai︠a︡ biblioteka imeni M. E. Saltykova-Shchedrina.

Bibliography: p. 389-[403]