Harrison, R.G., Nicoll, K.A. and McWilliams, K.A. (2013) Space weather driven changes in lower atmosphere phenomena. Journal of Atmospheric and Solar-Terrestrial Physics, 98. pp. 22-30. ISSN 1364-6826 doi: 10.1016/j.jastp.2013.03.008

Rycroft, M. J., Nicoll, K. A., Aplin, K. L. and Harrison, R. G. (2012) Recent advances in global electric circuit coupling between the space environment and the troposphere. Journal of Atmospheric and Solar-Terrestrial Physics, 90-91. pp. 198-211. ISSN 1364-6826 doi: 10.1016/j.jastp.2012.03.015

Nicoll, K.A. (2012) Measurements of atmospheric electricity aloft. Surveys in Geophysics, 33 (5). pp. 991-1057. ISSN 1573-0956 doi: 10.1007/s10712-012-9188-9

Harrison, G., Nicoll, K. and Lomas, A. (2012) Programmable data acquisition system for research measurements from meteorological radiosondes. Review of Scientific Instruments, 83 (3). 036106. ISSN 0034-6748 doi: 10.1063/1.3697717

Harrison, G. and Nicoll, K. (2012) Balloon-borne disposable radiometer for cloud detection. Review of Scientific Instruments, 83 (2). 025111. ISSN 0034-6748 doi: 10.1063/1.3685252

Nicoll, K. A., Harrison, R. G. and Ulanowski, Z. (2011) Observations of Saharan dust layer electrification. Environmental Research Letters, 6 (1). 014001. ISSN 1748-9326 doi: 10.1088/1748-9326/6/1/014001

Nicoll, K. and Harrison, G. (2011) Charge measurements in stratiform cloud from a balloon based sensor. Journal of Physics: Conference Series (301). 012003. ISSN 1742-6588 doi: 10.1088/1742-6596/301/1/012003

Nicoll, K. A. and Harrison, R. G. (2010) Experimental determination of layer cloud edge charging from cosmic ray ionisation. Geophysical Research Letters, 37 (13). L13802. ISSN 0094-8276 doi: 10.1029/2010GL043605

Harrison, R. G., Nicoll, K., Ulanowski, Z. J. and Mather, T. (2010) Self-charging of the Eyjafjallajökull volcanic ash plume. Environmental Research Letters, 5 (2). 024004. ISSN 1748-9326 doi: DOI:10.1088/1748-9326/5/2/024004

Nicoll, K. A. and Harrison, R. G. (2009) Vertical current flow through extensive layer clouds. Journal of Atmospheric and Solar-Terrestrial Physics, 71 (17-18). 2040-2046 . ISSN 1364-6826 doi: 10.1016/j.jastp.2009.09.011

Harrison, R. G. and Nicoll, K. A. (2009) A lightweight balloon-carried cloud charge sensor. Review of Scientific Instruments, 80 (1). 014501. ISSN 0034-6748 doi: DOI:10.1063/1.3065090

Rycroft, M. J., Harrison, R. G., Nicoll, K. A. and Mareev, E. A. (2008) An overview of Earth's global electric circuit and atmospheric conductivity. Space Science Reviews, 137 (1-4). pp. 83-105. ISSN 0038-6308 doi: 10.1007/s11214-008-9368-6

Harrison, R.G. and Nicoll, K. A. (2008) Air-earth current density measurements at Lerwick; implications for seasonality in the global electric circuit. Atmospheric Research, 89 (1-2). pp. 181-193. ISSN 0169-8059 doi: 10.1016/j.atmosres.2008.01.008

Nicoll, K. A. and Harrison, R.G. (2008) A double-Gerdien instrument for simultaneous bipolar air conductivity measurements on balloon platforms. Review of Scientific Instruments, 79 (8). 084502 . ISSN 0034-6748 doi: 10.1063/1.2964927

Rycroft, M. J., Harrison, R. G., Nicoll, K. A. and Mareev, E. A. (2008) An overview of Earth’s global electric circuit and atmospheric conductivity. Space Science Reviews, 137 (1-4). pp. 83-105. ISSN 0038-6308 doi: 10.1007/s11214-008-9368-6