Electronic Resource
Rao, G.V.S.
;
Varadaraju, U.V.
;
Vijayashree, R.
;
[et al.]
Padmanabhan, K.
;
Balakrishnan, R.
;
Mary, T.A.
;
Raju, N.P.
;
Srinivasan, R.
;
Janaki, J.
;
Radhakrishnan, T.S.
;
De, U.
Amsterdam
:
Elsevier
Physica B+C
148 (1987), S. 237-238