The COSPAR planetary protection policy for missions to Icy Worlds: A review of history, current scientific knowledge, and future directions

P.T. Doran; A. Hayes; O. Grasset; A. Coustenis; O. Prieto-Ballesteros; N. Hedman; O. Al Shehhi; E. Ammannito; M. Fujimoto; F. Groen; J.E. Moores; C. Mustin; K. Olsson-Francis; J. Peng; K. Praveenkumar; P. Rettberg; S. Sinibaldi; V. Ilyin; F. Raulin; Y. Suzuki; K. Xu; L.G. Whyte; M. Zaitsev; J. Buffo; G. Kminek; B. Schmidt