[In memoriam Gustav Kafka, David Katz and Edgar Rubin].
D001557:Benzenesulfonates; D049672:History, 19th Century; D049673:History, 20th Century; D011584:Psychology / Q000266:history*
D001557:Benzenesulfonates; C086337:acid fuchsin
OBITUARIES; PSYCHOLOGY/history
In memoriam Gustav Kafka, David Katz en Edgar Rubin.