- Zhang Qing-He, R. A., and R. Hebda. 1999. Dendroecological studies of tree growth, climate and spruce beetle outbreaks in central British Columbia, Canada . Forest Ecology and Management 121:215-225.
- Zhang Qing-He, F. S., and P. Anderson. 1999. Green leaf volatiles interrupt pheromone response of spruce bark beetle, Ips typographus . Journal of Chemical Ecology 25:2847-2861.
- Zhang Qing-He, G. B., J. Zhu, C. Lofstedt, J. Lofqvist, and F. Schlyter. 1999. Leaf volatiles from nonhost deciduous trees: Variation by tree species, season and temperature, and electrophysiological activity in Ips typographus . Journal of Chemical Ecology 25:1923-1943.