PERRY, Michael; CLARKE, Iain; BETTLES, John; PILKINGTON, Nathan. P3_4 Keeping your head in the clouds. Physics Special Topics, [S. l.], v. 10, n. 1, 2011. Disponível em: https://journals.le.ac.uk/index.php/pst/article/view/2023. Acesso em: 23 feb. 2025.