Packer, L. L., Järvinen, M. j., & Sipilä, H. (1985). Application of Penning mixture proportional counters for gas turbine engine X-ray fluorescence spectrometer wear metal monitor. Analytical Chemistry, 57, 1427. https://doi.org/10.1021/ac00284a056
Chicago Style (17th ed.) CitationPacker, L. Leonard, Mar ja-Leena Järvinen, and Heikki Sipilä. "Application of Penning Mixture Proportional Counters for Gas Turbine Engine X-ray Fluorescence Spectrometer Wear Metal Monitor." Analytical Chemistry 57 (1985): 1427. https://doi.org/10.1021/ac00284a056.
MLA (9th ed.) CitationPacker, L. Leonard, et al. "Application of Penning Mixture Proportional Counters for Gas Turbine Engine X-ray Fluorescence Spectrometer Wear Metal Monitor." Analytical Chemistry, vol. 57, 1985, p. 1427, https://doi.org/10.1021/ac00284a056.