Hirsch, Robert Photographic possibilities : the expressive use of equipment, ideas, materials, and processes / Robert Hirsch - 3rd ed. - Amsterdam ; Boston : Focal Press/Elsevier, 2009 - xvi, 284 p. : ill. (some col.) ; 28 cm. Previous ed.: 2001 Includes bibliographical references and index ISBN: 9780240810133 (pbk.) 0240810139 (pbk.) Subjects--Topical Terms: Photography