$//<![CDATA[ \begin{array}{l}\displaystyle p_b = c_1 \cdot \left[ \left( \frac{R_{sb}}{\gamma_g} \right)^{c_2} \, 10^{-X }+ c_3 \right], \quad X = c_4 \, \gamma_{API} + c_5 \, T\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}c_1 = 18.2 \ , \ c_2 = 0.83 \ , \ c_3 = -1.4 \ , \ c_4 = 0.0125 \ , \ c_5 = -0.00091\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}\displaystyle R_s(p, T) = \gamma_g \cdot \big[ (c_1 +c_2\, p) \cdot 10^X \big]^{c_3}, \quad X = c_4 \, \gamma_{API} + c_5 \, T\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}c_1 = 1.4 \ , \ c_2 = 1/18.2 \, \ c_3 = 1.2048 \, \ c_4 = 0.0125 \ , \ c_5 = -0.00091\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}\displaystyle B_o(p, T) = c_1 + c_2 \cdot \left[ R_s(p, T) \left( \frac{\gamma_g}{\gamma_o} \right)^{c_4} + c_3 \, T \right]^{c_5}\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}c_1 = 0.972 \ , \ c_2 = 1.47 \cdot 10^{-4} \ , \ c_3 = 1.25 \ , \ c_4 = 0.5 \ , \ c_5 = 1.175\end{array} //]]>$