Text ( visual ) : unmediatedMethods in environmental and behavioral research / edited by Robert B. Bechtel, Robert W. Marans, William Michelson. -- New York : Van Nostrand , c1987. -- vi, 415 p. : ill. ; 24 cm. -- Includes bibliographies and index. -- ISBN 0442211570 ; (BA00977305) ; http://ci.nii.ac.jp/ncid/BA00977305 Author Heading(s): Bechtel, Robert B. ; Marans, Robert W. ; Michelson, William M.. -- Classification(s): LCC : BF353 ; DC19 : 155.9. -- Subject Heading(s): LCSH : Environmental psychology -- Research -- Methodology