P267: Enumeration of all minimal vertex covers of size at most $k$ in a graph

P267: Enumeration of all minimal vertex covers of size at most $k$ in a graph
Input:
A graph $G = (V, E)$.
Output:
All minimal vertex covers of size at most $k$ in $G$.
Complexity:
$O(|E| + k^2 2^k)$ total time.
Comment:
Reference:
[Damaschke2006] (Bibtex)