Clementi, E. Proceedings of the International Symposium at Ludwigsburg (Germany) from October 12-14, 1970 - Ludwigsburg : Verlag Chemie GMBH , 1972. - 212p. : ill. ; 22cm. ISBN: 3-527-25388-2 Subjects--Topical Terms: Physical and theoretical chemistryMolecules LC Class. No.: QD455.S46