[2] viXra:1807.0081 submitted on 2018-07-03 23:44:33, (82 unique-IP downloads)
Authors: Kali Tzortzi
Category: Economics and Finance
[1] viXra:1807.0005 submitted on 2018-07-01 04:06:36, (159 unique-IP downloads)
Authors: Kali Tzortzi
Category: Economics and Finance