Research.
London : Ashbourne Publications,
1968-1969.
Mar. 1968-Apr./May 1968 numbered v. 1, no. 1-v. 1, no. 2, June 1968 numbered v. 1, no. 4 on cover and v. 1, no. 3 on t.p., July 1968 numbered v. 1, no. 5 ; Nov. 1968 and Dec. 1968 both numbered v. 1, no. 9, Jan. 1968 numbered v. 1, no. 11, Feb. 1968 numbered v. 1, no. 11 on cover and v. 2, no. 2 on t.p., Mar. 1968 numbered v. 2, no. 3 on cover and v. 2, no. 1 on t.p., Apr. 1968 numbered v. 2, no. 2.
Research techniques and instrumentation