00285nam a2200121 a 450000500170000002000150001708200160003210000160004824500250006426000360008930000240012570000140014920251203110754.0  a8175569883  a530.13bGUP  aGupta, S.L.  aStatitical mechanics  aMeerutbPragati Prakashanc1972  ax, 336p.c26 cm, PB  aKumar, V.