00474nam a2200169 a 450000500170000008200170001710000160003410000170005024500340006726000360010130000230013763000210016096400250018199700170020699900130022395200680023620251202164125.0  a530.41GHAb_  aGhatak, A.K  aKothari, L.S  aIntroduction lattice dynamics  aNew DelhibAddison-Wesleyc1972  avi,234p, 22cm.bHB  aLattice dynamics  bEngc100de010fg_  a4433 LIBSC C  c325d325  00104070aPUbPUd1998-04-08g31.25l0o530.41GHA _p4433yBK