GAMMA-RESONANCE SPECTROSCOPY OF ZIEGLER-NATTA TYPE HOMOGENEOUS-HETEROGENEOUS CATALYSTS A.S. Khlystov, A.R. Brodskii, N.F. Noskova et D.V. Sokolsky J. Phys. Colloques, 41 C1 (1980) C1-343-C1-344 DOI: 10.1051/jphyscol:19801128