Boni,A. L.,Anal,Chem.,82(1960).599-604.
|
Setser,J,L,et al.,Talanta 12(1965),903-911.
|
Shah,S. M. et al.,Curr,Rci.(India).41(1972),659-663
|
David,A,Rigney,Nature,201(1964),1021.
|