00422nam a2200157 a 450000500170000008200130001710000200003024500400005026000320009030000240012263000120014696400160015899700110017499900150018595200640020020251202164251.0  a530bPAR  aParker,Sybil P.  aMcGraw Hill encyclopedia of Physics  aNew YorkbMcGraw Hillc1983  a1343 p.c24 cm.bHB  aPhysics  bcdefg_  a4265 C  c5495d5495  00104070aPUbPUd1998-07-06g86.95l0o530 PARp4265yBK