000 00349 a2200121 4500
008 141010b2010 xxu||||| |||| 00| 0 eng d
245 _aEinsteins ultimate laboratory /
_cKramer, Michael
260 _cAug. 2010,
300 _app. 28-34,
440 _aSKY & TELESCOPE ;
_vVol. 120, No. 2,
650 _aBINARY PULSARS
856 _uSkyandtelescope.com
999 _c15811
_d15811