1. Barbalas M. P. paper presented at the ASMS meeting Minneapolis May (1981).
2. BARBER, M, JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS: 325 (1981).
3. BENTE, P.F., PRACTICAL SPECTROSCO 3: 253 (1980).
4. BROOKS, CJW, PRACTICAL MASS SPECT: 57 (1979).
5. Caldecourt V. J. paper presented at the ASMS meeting Minneapolis May (1981).