000 00326nam a2200145Ia 4500
020 _a8126605049
082 _bIGN
100 _aIGNOU
245 _aPhysics of Solids (PHE-13): crystal structure - 1
260 _aNew Delhi
_bI.G.N.O.U
_c2002
300 _a87p.
650 _aApplied Sc.
650 _aPhysics
044 _aIndia
999 _c7664
_d7664