P34: Enumeration of all maximal cliques in a graph

P34: Enumeration of all maximal cliques in a graph
Input:
An undirected graph $G=(V, E)$.
Output:
All maximal clique.
Complexity:
$O(\delta\cdot H^3)$ time delay and $O(n+m)$ space.
Comment:
$H$ satisfies $|\{v\in V | \sigma(v)\ge H\}| \le H$.
Reference:
[Chang2013] (Bibtex)