TY - BOOK ID - 132831453 TI - A cost-benefit model of some critical library operations in terms of use of materials PY - 1978 PB - Pittsburgh, Pa DB - UniCat KW - Book acquisition KW - Information user KW - Pittsburgh [Pennsylvania] UR - https://www.unicat.be/uniCat?func=search&query=sysid:132831453 AB - ER -