Bhardwaj, Anandi Encyclopaedia of astronomy and space science / Anandi Bhardwaj - New Delhi : Anmol, c2006. - 322p. : ill. ; 24 cm. ISBN: 8126128852 LCCN: Subjects--Topical Terms: Space sciencesEncyclopedias LC Class. No.: QB497 / .B53 2006