cam a22 2 4500 03937453X CHVBK 20140629133146.0 040115s1970 ne 00 eng CcMedea 15.01.2004/zs (OCoLC)635795323 (SBT)000305075 SzBzSBTc LUBC Janner Aloysio Relativistic Symmetry Groups of uniform electro-magnetic Fields A. Janner, E. Ascher Amsterdam North Holland 1970 [22] p. 24 cm Repr. from Physica, 48, 1970, p. 425-446 Ascher E. ccmedea sbt T9 SBT 100 1- Janner Aloysio SBT 700 1- Ascher E. BK020000 XK020000 XK020000 SBT LUBC LUBC 508 LGC OP 1745