chronique-2015-09-14-09-00-00-Daniel-Plonger-pour-participer-aux-sciences-ca-fait-une-difference 19 Fév 2019 https://www.longitude181.org/wp-content/uploads/2019/02/chronique-2015-09-14-09-00-00-Daniel-Plonger-pour-participer-aux-sciences-ca-fait-une-difference.mp3