Video example of Markers Flashing with Google MarkerClusterer library... | Download Scientific Diagram
Using MarkerClusterer with the Google Maps API - YouTube
Getting Google Map MarkerClusterer Plus Icons In One Color - Stack Overflow
Getting Google Map MarkerClusterer Plus Icons In One Color - Stack Overflow
Utilizando o MarkerClusterer no Google Maps - Tableless - Website com artigos e textos sobre Padrões Web, Design, Back-end e Front-end tudo em um só lugar.