@misc{indiciae3c93c1470621, title = {Molecular resolution and fragmentation of fulvic acid by electrospray ionization/multistage tandem mass spectrometry}, author = {J.A. Leenheer and C.E. Rostad and Paul M. Gates and E. T. Furlong and I. Ferrer}, year = {2001}, doi = {10.1021/ac0012593}, url = {https://pubs.usgs.gov/publication/70023589}, note = {Source identifier: 70023589} }