TY - CHAP T3 - Landolt-Börnstein - Group II Molecules and Radicals JF - SpringerMaterials - The Landolt-Börnstein Database VL - 9c1 ED - Fischer,H. ED - Hellwege,K.-H. L2 - http://www.springermaterials.com L2 - http://dx.doi.org/ M3 - ER -