LEADER 00000nam a2200121 a 4500 001 15721899 008 020 9781429240031 100 Grotzinger, John 245 0 Understanding Earth /|cJohn Grotzinger 907 .b15721899|b10-06-15|c05-16-12 945 |g0|i37522005522271|j0|on|p0.00|q-|r-|s-|t0|u1|v0|w0|x0 |y.i15160804|z05-16-12|llsf 998 ccq|b- - |cm|db|en|feng|gxx |h0
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