000 00239nam a2200121Ia 4500
020 _a9780153620423
082 _a550
_bROC
100 _a-
245 4 _aThe Rock cycle
_c-
260 _aAmerica
_bHarcourt
_c-
300 _a32
942 _cCHBK
999 _c11223
_d11223