ELA articles which reference this paper are

Jianfeng Wang, Yufa Shen and Qiongxiang Huang
Notes on graphs with least eigenvalue at least -2,
Electron. J. Linear Algebra 23 (2012) 387-396.

Xiagang Liu and Sanming Zhou
Spectral characterizations of propeller graphs.
Electron. J. Linear Algebra 27 (2014) pp. 19-38.