shades of gray / Lori Allen, Dan Voss Allen, Lori creator Voss, Dan text New York Wiley monographic xxi, 410 p.: ill.; 24 cm. Includes bibliographical references (p. 395-401) and index Communication of technical information Moral and ethical aspects Communication of technical information Moral and ethical aspects Case studies 0471153281 UMP 20251117142058.0 vtls000004089