Trial: A computer technique for retrieving information from abstracts of literature
Kenneth Janda, William H. Tetzlaff · Systems Research and Behavioral Science · 1966
Information retrieval has been discussed in this journal by Stone and others in October, 1962 and October, 1965; by Olsti in October, 1964; by Iker and Harway in April, 1965. Here is another description of a working system: a trial of TRIAL.