00287nam a2200121Ia 4500008004100000020001500041082001600056100001600072245002400088260003300112300000800145650001200153221030s9999    xx            000 0 und d  a8173192669  a105.23bWah  aM. A. Wahob 0aSolid State Physics  bNarosa Pub.aNew Delhic1999  a704  aPhysics