Publisher
- springer-verlag16
- univ padua, dept ind engn, via venezia 1, i-35131 padua, italy.16
- cnr ifn uos padova luxor, via trasea 7, i-35131 padua, italy.15
- oxford university press (oup)15
- tu braunschweig, inst geophys & extraterr phys, d-38106 braunschweig, germany.15
- univ bern, phys inst, sidlerstr 5, ch-3012 bern, switzerland.15
- oxford university press13
- taylor & francis ltd13
- american astronomical society12