Reports on progress in physics - London Institute of physics 1934 - vol.1, no.1 . Lib. has v.1 (1934) - v.23 (1960), v.25(1962) - v.29 (1966), v.31 (1968) - v.32 (1969), v.42(1979) Universal Decimal Class. No.: 53(05) / REP