Letter on a Form The author apologizes for the delay in sending the copy of Dr.Erickson's paper. The paper must be approved by SDC security office. With the precedent established, things should go much faster in the future. Date: 04.06.1968 Original document language: English Authors: Christopher J. Shaw Persons: Mark Halpern, Robert W. Floyd, Samuil I. Shapiro, Warren J. Erikson Addressee: Andrei Petrovich Ershov
