Markku Poutanen (@markkupoutanen) 's Twitter Profile
Markku Poutanen

@markkupoutanen

Professor Emeritus
#geodesy, #astronomy, #science
@fgi_nls @Ursa_ry

ID: 1017376900707180545

calendar_today12-07-2018 11:55:29

1,1K Tweet

548 Followers

208 Following