142,3593=1963; 146,3647,A=1964; 150,3699,A=1965; 154,3751,A=1966; 158,3804,A=1967; 162,3856,A=1968/69; 165,3900,A=1969/70; 169,3951,A=1970/71; 174,4010,A=1971/72; 178,4063,A=1972/73; 182,4114,A=1973/74; 186,4165,A=1974; 190,4216,A=1975; 194,4267,A=1976; 197,4309,A=1977 von:
Guide to scientific instruments. - Washington, DC [u.a.], 1962