def LiqEtlp_pT(P,T,x_N2):
	x = (P-5.52600976e+02)/4.95609800e-01
	y = (T--1.77600840e+02)/2.56877333e-02
	z = (x_N2-9.69189779e-01)/4.78090812e-03
	output = \
	    1*-9.68819969e+02
	liq_etlp = output*1.00000000e+00+0.00000000e+00
	return liq_etlp