00434nam a2200157 a 450000500170000008200130001710000210003024500440005125000130009526000260010863000330013496400190016799700110018699900150019795200640021220251202164258.0  a540bWEA  aWeast, Robert C.  aC.R.C.handbook of chemistry and physics  a67th ed.  aboca RatonbCRCc1987  aChemistry, Physics, handbook  bEngcdefg_  a2952 C  c5933d5933  00104070aPUbPUd1998-07-16g79.95l0o540 WEAp2952yBK