Griepink, B., Sager, M. and Tölg, G.. "Determination of traces of thallium in various matrices" Pure and Applied Chemistry, vol. 60, no. 9, 1988, pp. 1425-1436. https://doi.org/10.1351/pac198860091425
Griepink, B., Sager, M. & Tölg, G. (1988). Determination of traces of thallium in various matrices. Pure and Applied Chemistry, 60(9), 1425-1436. https://doi.org/10.1351/pac198860091425
Griepink, B., Sager, M. and Tölg, G. (1988) Determination of traces of thallium in various matrices. Pure and Applied Chemistry, Vol. 60 (Issue 9), pp. 1425-1436. https://doi.org/10.1351/pac198860091425
Griepink, B., Sager, M. and Tölg, G.. "Determination of traces of thallium in various matrices" Pure and Applied Chemistry 60, no. 9 (1988): 1425-1436. https://doi.org/10.1351/pac198860091425
Griepink B, Sager M, Tölg G. Determination of traces of thallium in various matrices. Pure and Applied Chemistry. 1988;60(9): 1425-1436. https://doi.org/10.1351/pac198860091425