英文文献求助

1.Chrobot-Mason, D., Gerbasi, A., & Cullen-Lester, K. L. (2016). Predicting leadership relationships: the importance of collective identity. Leadership Quarterly, 27(2), 298-311.

2.Gesche Drescher, & Yvonne Garbers. (2016). Shared leadership and commonality: a policy-capturing study. The Leadership Quarterly, 27(2), 200-217.

3.K.A. McHugh, F.J. Yammarino, S.D. Dionne, A. Serban, H. Sayama, & S. Chatterjee. (2015). Collective decision making, leadership, and collective intelligence: tests with agent-based simulations and a field study. The Leadership Quarterly, 27(2), 218-241.

4.Friedrich, T., Griffith, J., & Mumford, M. (2015). Collective leadership behaviors: evaluating the leader, team network, and problem situation characteristics that influence their use. The Leadership Quarterly, 27(2), 312-333.

5.Margolis, J. A., & Ziegert, J. C. (2016). Vertical flow of collectivistic leadership: an examination of the cascade of visionary leadership across levels. Leadership Quarterly, 27(2), 334-348.

第三篇没有找到，其他四篇附上！！