Puthoff & Targ, Nature 251:602 (1974).
documentedgovernment_studyDeclassified Document Archive
The peer-reviewed SRI paper 'Information transmission under conditions of sensory shielding'.
The 1974 Nature paper (251:602-607) by Puthoff & Targ reporting the SRI sensory-shielding experiments — the program's peer-reviewed scientific anchor (and a perennial target of methodological critique).