题目如下：
1、Thermosyphon circulation in solar collectors
Solar Energy, Volume 24, Issue 2, 1980, Pages 191-198
G. L. Morrison, D. B. J. Ranatunga
2、Long term performance of thermosyphon solar water heaters
Solar Energy, Volume 30, Issue 4, 1983, Pages 341-350
G. L. Morrison, C. M. Sapsford
3、Simulation of the long term performance of thermosyphon solar water heaters
Solar Energy, Volume 33, Issue 6, 1984, Pages 515-526
G. L. Morrison, H. N. Tran
4、System modeling and operation characteristics of thermosyphon solar water heaters
Solar Energy, Volume 34, Issues 4-5, 1985, Pages 389-405
G. L. Morrison, J. E. Braun