BBC World Service - 13 Minutes to the Moon, Apollo 13: Enhanced photos reveal life on board - Jack Swigert (right) looks at Jim Lovell as they work together. The CO2 filter
Apollo 13 Emergency CO2 Filter Yoga Mat by Apollospace - Pixels
The Greatest Space Hack Ever | Popular Science
APOLLO 13 FILTER MODICATION
Apollo 13 Infographic: How did they make that CO2 scrubber? - Space Center Houston
Photos and artifacts - American Space Program
Apollo 13 (1995) - Square Peg in a Round Hole Scene (7/11) | Movieclips - YouTube
Apollo 13 (1995) - Square Peg in a Round Hole Scene (7/11) | Movieclips - YouTube
life support - Were the Apollo CO₂ scrubber canister designs unified after Apollo 13? - Space Exploration Stack Exchange
Apollo 13 Rescue Mission
Lithium Hydroxide Canister, Mock-up, Apollo 13 Emergency | National Air and Space Museum