@misc{indiciae34028573c301, title = {Development and certification of the new SRM 695 trace elements in multi-nutrient fertilizer}, author = {E.A. MacKey and M.P. Cronise and C.N. Fales and R.R. Greenberg and S.D. Leigh and S.E. Long and A.F. Marlow and K.E. Murphy and R. Oflaz and J.R. Sieber and M.S. Rearick and L.J. Wood and L.L. Yu and S. A. Wilson and Paul H. Briggs and Z. A. Brown and J. Budahn and P.F. Kane and W.L. Hall}, year = {2007}, doi = {10.1007/s00216-007-1124-3}, url = {https://pubs.usgs.gov/publication/70030014}, note = {Source identifier: 70030014} }