00523nam a2200205Ia 4500008004100000050001600041050001400057245002500071245003700096245003400133260001300167260002500180260000900205300001600214300002000230300001100250650001500261650002100276650002000297160319s9999    xx            000 0 und d  aFIL QE 26.2  b.I58 1994  aIntegrated science :  bwith emphasis on earth science /  cedited by Arturo N. Villegas.  aManila :  bAcademe Pub. House.,  c1994  a607 pages :  billustrations ;  c23 cm.  aAstronomy.  aEarth sciences.   xAir and water.