“…For further study on the above dependence structures and their analogues, we refer to Geluk and Tang [11], Wang and Cheng [21], Liu et al [14], Gao and Jin [6], Gao and Liu [8], Gao and Yang [9,10], Gao et al [7], Gao and Bao [5], and others. Henceforth, all limit relationships are for x → ∞ unless mentioned otherwise.…”