BibTex format
@unpublished{Bockelée-Morvan:2019,
author = {Bockelée-Morvan, D and Filacchione, G and Altwegg, K and Bianchi, E and Bizzarro, M and Blum, J and Bonal, L and Capaccioni, F and Codella, C and Choukroun, M and Cottin, H and Davidsson, B and Sanctis, MCD and Drozdovskaya, M and Engrand, C and Galand, M and Güttler, C and Henri, P and Herique, A and Ivanoski, S and Kokotanekova, R and Levasseur-Regourd, A-C and Miller, KE and Rotundi, A and Schönbächler, M and Snodgrass, C and Thomas, N and Tubiana, C and Ulamec, S and Vincent, J-B},
publisher = {arXiv},
title = {AMBITION -- Comet nucleus cryogenic sample return (white paper for ESA's voyage 2050 programme)},
url = {http://arxiv.org/abs/1907.11081v1},
year = {2019}
}