Electronic Resource
Fujimoto, F.
;
Komaki, K.
;
Ootuka, A.
;
[et al.]
Vilalta, E.
;
Iwata, Y.
;
Hirao, Y.
;
Hasegawa, T.
;
Sekiguchi, M.
;
Mizobuchi, A.
;
Kimura, K.
;
Hattori, T.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
33 (1988), S. 354-357