2 matching references were found.
Eucken A., Molar heats and normal frequencies of ethane and ethylene, Z. Phys. Chem., 1933, B20, 184-194. [all data]
Eucken A., Rotational hindrance in ether and alcohol molecules on the basis of heat capacity determinations, Z. Elektrochem., 1948, 52, 195-204. [all data]