TY - BOOK ID - 136759166 TI - Introduction to reference work PY - 1974 SN - 007033353X 0070333548 PB - New York (N.Y.): MacGraw-Hill DB - UniCat KW - Reference books KW - Reference services (Libraries) KW - Bibliography UR - https://www.unicat.be/uniCat?func=search&query=sysid:136759166 AB - ER -