Heat capacities and enthalpies of fusion of lithium and rubidium nitrates: Heat capacities, enthalpies of fusion and enthalpies of formation of the intermediate compounds Ag0.5Rb0.5NO3 and Li0.5Rb0.5NO3 Monia, H.; Hmida, Z.; Ismail, K.; Thermochimica Acta 2013, 568, 204-208