Smith, R.L. creator still image graphic e British Council London 1948. 1948 monographic eng 34 p. : ill. ; 22 cm. R.L.Smith This record contains unverified, old data from caption card. Rights status not evaluated. For general information see "Copyright and Other Restrictions ...," http://www.loc.gov/rr/print/195_copr.html Mathematical Physics 530.15 SMJ 1948 Rights status not evaluated. For general information see "Copyright and Other Restrictions ...," DLC 170513 20211209082215.0 72050 eng