By the way, I forgot to mention that the discontinuity, in one case, is of 150 cm^-1, while there are three other instances of a 10% difference.
-- ---------------------------------------- Miguel Mart?nez Canales Condensed Matter Physics Dpt. UPV/EHU Faculty of Science and Technology Apdo. 644 48080 Bilbao (Spain) Fax: +34 94 601 3500 Tlf: +34 94 601 5326 ---------------------------------------- "If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas." George Bernard Shaw
