electronics.stackexchange.com/questions/3539/how-to-find-the...

This is a stackexchange thread on this topic.

www.badcaps.net/forum/showthread.php?t=21004

What is the definition of a capacitor with low ESR?
Is there a standard are is it only meaningful within a specific brand?

This is a forum thread dealing with this topic.

www.illinoiscapacitor.com/pdf/Papers/low_ESR_fact_or_fiction...

A pdf entitled Passive & Discrete Components Low ESR Capacitors: Fact or Fiction?