=LDR            22        4500
=001  5688
=082  04$a910.02 GRO
=100  1\$aGrotzinger, John
=245  10$aUnderstanding Earth
=260  \\$bW. H. Freeman and Co.,$c2007
=650  \0$aBooks
=852  \\$bFreeman Library$h910.02 GRO