https://www.sail-world.com/Australia/Ned-Ship-Emax-Excalibur-Flybridge-Cruiser/85274
https://luxurylaunches.com/transport/the_emax_excalibur_yacht_sails_with_photo_voltaic_exoskeleton.php
https://megayachtnews.com/2011/07/superyacht-6-yacht-designers/
https://inhabitat.com/the-carbon-neutral-emax-excalibur-hybrid-yacht-is-painted-in-solar-panels/
https://www.reuters.com/article/idUS294994889320110711
https://www.sail-world.com/Australia/Ned-Ship-Emax-Excalibur-Flybridge-Cruiser/85274
https://luxurylaunches.com/transport/the_emax_excalibur_yacht_sails_with_photo_voltaic_exoskeleton.php
https://megayachtnews.com/2011/07/superyacht-6-yacht-designers/
https://inhabitat.com/the-carbon-neutral-emax-excalibur-hybrid-yacht-is-painted-in-solar-panels/
https://www.reuters.com/article/idUS294994889320110711