TY - BOOK AU - Hirsch,Robert AU - Valentino,John TI - Photographic possibilities: the expressive use of ideas, materials, and processes SN - 0240803620 (pbk.) : AV - TR145 .H54 2001 PY - 2001/// CY - Boston PB - Focal Press KW - Photography N1 - Includes bibliographical references and index ER -