@article{845316, author = {T.B. Coplen and W.A. Brand and M. Gehre and M. Groning and H.A.J. Meijer and Blaza Toman and R. Verkouteren}, title = {New Guidelines for delta-13-C Measurements}, year = {2006}, number = {78}, month = {2006-04-01 00:04:00}, publisher = {Analytical Chemistry}, language = {en}, }