TY - BOOK AU - Purpura, Philip P., author. TI - Criminal justice : : an introduction / SN - 0-7506-9630-3 U1 - DC 364.973 1997 PY - 1997/// CY - Boston : PB - Butterworth-Heinemann, KW - Criminal justice, Administration of KW - United States N1 - Includes bibliographical references and index ER -