Bowling, D. R., Turnipseed, A. A., Delany, A. C., Baldocchi, D. D., Greenberg, J. P., & Monson, R. K. (1998). The use of relaxed eddy accumulation to measure biosphere-atmosphere exchange of isoprene and of her biological trace gases. Oecologia, 116, 306-315. doi:10.1007/s004420050592