The "Social Factors" group at Berkeley, ca. 1989. Back: unknown, unknown, Peter Bosselmann, unknown, unknown, Sara Ishikawa, Michael Southworth, Randy Hester, Clare Cooper Marcus, Penny Gurstein. Front: Walter Hood, Nezar AlSayyad, unknown
"The Sun Terrace versus the Secret Garden: Comparison of the Blooming Plaza Sun Terrace and Crocker Galleria Roof Garden" by Yu-Ming Wei, LA 240, 1993, "Figure 19: Mapping of Spatial Privacy at Crocker Galleria Roof Garden" p. 37
"Evaluation of Two Plazas: 50 California Plaza and Fremont Plaza" - Marvin Yee, LA240 Fall 1993" "p.. 6: "Figure 4: Plan of 50 California Plaza and Patterns of Pedestrian Flow Observed"