Klintman H. Is there a paranormal (precognitive) influence in certain types of perceptual sequences? P. I and II // European journal of parapsychology. 1983. № 5. P. 19–49 and 1984. № 5. P. 125–140, процитировано в: Radin D. I., May E. C. // Boundary Institute technical report. 2000–2001.
