000 00468nam a22001811a 4500
020 _a9780198502715
082 _a525
_bSTE/S
100 _aStephen Drury
245 _aStepping stones:
_bthe making of our home world/
_cby Stephen Drury
260 _aOxford:
_bOxford University Press,
_c1999.
300 _a409p.
500 _aStephen Drury
650 _aEarth History
650 _aEarth Evolution
650 _aAstronomy
650 _aSciences
942 _cBK
999 _c44161
_d44161