@inproceedings{yat1995generalised,
title={Generalised connected sums of quaternionic manifolds},
author={Yat Sun Poon, and Andrew Swann},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020221755196181365},
booktitle={Annals of Global Analysis and Geometry},
volume={13},
number={1},
pages={79-90},
year={1995},
}
Yat Sun Poon, and Andrew Swann. Generalised connected sums of quaternionic manifolds. 1995. Vol. 13. In Annals of Global Analysis and Geometry. pp.79-90. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020221755196181365.