1 “... an area of intensive study by physicists and chemists, as well as mathematicians. This introduction...”

2 “... was originally written for quantum chemists. It describes the correspondence, due to Frobenius, between linear...”

3 “... literature. This book will be very useful to mathematicians, theoretical physicists and also to chemists...”

4 “... of the inorganic and organometallic chemist. At the NATO Advanced Study Institute at Stirling, Scotland...”