3-2 balancer with unlimited throughput - Factorio Forums
graph theory - Belt Balancer problem (Factorio) - Mathematics Stack Exchange
The Best Balancer in Factorio. - YouTube
Image result for factorio belt balancer | Blueprints, Command, Belt
Factorio balancer guide Blueprint, compendium and more details
On the purging of belt balancers | Calculatorio
Optimal belt balancing in Factorio - Olivier Corradi's blog
My take on a lane balancer, and a 2-belt overflow balancer. These could probably be optimized, but they have proven useful (although a bit unconventional) - Lemmy.World
Alt-F4 #27 - Designing the Unnecessary
Factorio Workshop - Building A Better Factory :: N to N Belt / Lane Balancers - YouTube