00464nam a22001697a 4500 BD-DhUL 20161106174336.0 161106b xxu||||| |||| 00| 0 eng d BD-DhUL 020 PEL The library : an introduction for library assistants / William C. Petru New York : SLA, 1967. 80 p. ; 24 cm. Library Science William C. Petru ed. ddc BK 120170 120170 0 0 ddc 0 020_000000000000000_PEL 0 NFIC 226273 DUL DUL GEN 2016-11-06 purchased 020 PEL A759230 2016-11-06 2016-11-06 BK