TY - BOOK AU - Fogelin,Robert J. AU - TI - Understanding arguments: an introduction to informal logic SN - 0155926721 : AV - BC50 .F63 1991 U1 - 168 20 PY - 1991/// CY - San Diego PB - Harcourt Brace Jovanovich KW - Logic N1 - Previous ed.: 1987; Includes bibliographical references and index ER -