000 00339nam a22001337a 4500
999 _c1228
_d1228
020 _a978-971-23-3938-7
082 _aFil. 550 B720 C2005
100 _aSulit-Braganza, Maria Chona
245 _aEarth science
250 _aRevised ed.
260 _aPhilippines:
_bREX Book Store,
_cC2005.
300 _axiv, 244p. : ill. ; 25cm
942 _cBK