00461nam a2200193Ia 4500008004100000020001800041050001400059100002100073245002200094245003000116245002100146260001500167260001600182260000900198300001500207300002700222300001000249500000800259170918s9999    xx            000 0 und d  a9780531186145  bK626 1997  aKittinger, Jo S. 2aA look at rocks :  bfrom coal to kimberlite /  cJo S. Kittinger.  aNew York :  bScholastic,  c1997  a63 pages :  bcolored illustration ;  c22cm.  a920