ORDER PARAMETER IN THE GLASS TRANSITION OF VITREOUS S-Ge H. Kawamura, K. Hattori, K. Matsunaga, Y. Akagi and A. Kawamori J. Phys. Colloques, 42 C4 (1981) C4-357-C4-360 DOI: 10.1051/jphyscol:1981476