Stávek, J. 2021. The Newtonian Gravitational Constant G Interpreted as the Gravitational Inertia of Vacuum - G0. How to Arrange Twelve Precise Experimental Determinations of GZ in their Spread 500 ppm? Unlocking of the Recommended Value of the Constant G – New Tests for Old Physics. European Journal of Applied Physics. 3, 2 (Apr. 2021), 44–47. DOI:https://doi.org/10.24018/ejphysics.2021.3.2.65.