Scheflen, Albert E. Human territories : how we behave in space-time / Albert E. Scheflen, with Norman Ashcraft. - Englewood Cliffs, N. J. : Prentice-Hall, 1976. - xiv, 210 p. : ill. ; 23 cm. Includes bibliographical references: (p. 201-202) and index. ISBN: 0134476565 Subjects--Topical Terms: Personal space.Crowding stress.