documents added in the last 7 days

• library/Space/Spacecraft/Adaptive Sliding Mode Control for Deployment of Electro-dynamic Tether via Limited Tension and Current_ S Chen_ A Li_ C Wang_ C Liu_ acta astro 2019.pdf (1 MB at Sun Jan 12 15:14:21 2020)
• library/Space/Spacecraft/Dust transport and its effects due to landing spacecraft_ P T Metzger_ 2020.pdf (343 kB at Wed Jan 15 15:39:54 2020)
• library/Chemistry/Disappearing Polymorphs Revisited_ D-K Bucar_ R W Lancaster_ J Bernstein_ 2012.pdf (4 MB at Thu Jan 16 21:56:22 2020)