000			00554nam a2200217Ia 4500
008			160319s9999 xx 000 0 und d
050			_aFIL QE 26.2
050			_b.I58 1994
245			_aIntegrated science :
245			_bwith emphasis on earth science /
245			_cedited by Arturo N. Villegas.
260			_aManila :
260			_bAcademe Pub. House.,
260			_c1994
300			_a607 pages :
300			_billustrations ;
300			_c23 cm.
650			_aAstronomy.
650			_aEarth sciences.
650			_xAir and water.
999			_c291890 _d291890