Electronic Resource
Li, Y. Q.
;
Zhao, J.
;
Chern, C. S.
;
[et al.]
Huang, W.
;
Kulesha, G. A.
;
Lu, P.
;
Gallois, B.
;
Norris, P.
;
Kear, B.
;
Cosandey, F.
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
58 (1991), S. 648-650