00270nam a2200109Ia 4500008004100000041001200041082001100053100001700064245006700081260000600148650000600154221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. O. Pillai 0aProblems and Solutions in Solid State Physicscby S. O. Pillai  c0  aB