References
- Adair , H. and Bartley , S. H. 1958 . Nearness as a function of lateral orientation in pictures . Percept. & Mot. Skills , 8 : 135 – 141 .
- Bartley , S. H. and Adair , H. 1959 . Comparisons of phenomenal distance in photographs of various sizes . J. of Psychol , 47 : 289 – 295 .