TY  - BOOK
AU  - Jeean,M.
ED  - Italian Physical society.
ED  - International School of Physics "Enrico Fermi."; Società italiana di fisica.
TI  - Proceedings of the International School of Physics "Enrico Fermi"
U1  -  530 16
PY  - 1969///
CY  - New york
PB  - Academic Press
KW  -  	      Physics --
KW  - Congresses.
ER  -