TY - BOOK AU - Bopp,Richard E. AU - Smith,Linda C. TI - Reference and information services: an introduction SN - 9781591583653 (hardcover : acidfree paper) AV - Z711 .R443 2011 U1 - 025.52 22 PY - 2011///] CY - Santa Barbara, Calif. PB - Libraries Unlimited KW - Reference services (Libraries) KW - Information services ER -