00630nam a22001457a 4500952013700000999001500137020002100152082001500173100004300188245007100231260004400302300004400346650008700390942000700477  00104070aRIUbRIUd2012-07-17ePurchased: Royal Book Companyg1395.00l0o523.2 LANp0726r2012-07-17 00:00:00t1w2019-02-21yBK  c2289d2289  a0521422523 (pbk)  a523.2bLAN  aLang, Kenneth R. aCharles A. Whitney   aWanderers in spacebexploration and discovery in the solar system   aCambridge bCambridge University c1991  axvi, 316 p. b: ill.  (col.)c; 25 cm.   aSolar system aSpace vSolar system vPlanets vGravitation vAsteroids vPlanets   cBK