00253nam a2200109Ia 4500008004100000041001200041082001100053100001700064245005000081260000600131650000600137221030s9999    xx            000 0 und d  aEnglish  a105.23  aC. N. R. Rao 0aUniversity General Chemistrycby C. N. R. Rao  c0  aB