Nguimbous-Kouoh, J.J., Bum, E.N. and Ngos, S. 2015. GRAVITY FIELD: THEORETICAL AND EXPERIMENTAL CONTRIBUTION TO STUDY WEIGHING PENDULUM PERIOD. JOURNAL OF ADVANCES IN PHYSICS. 9, 3 (Jul. 2015), 2440–2445. DOI:https://doi.org/10.24297/jap.v9i3.1348.