Dixon, R.A.F., Diehl, R.E.,ea., 1990
Dixon, R.A.F., Diehl, R.E., Opas, E., Rands, E., Vickers, P.J., Evans, J.F., Gillard, J.W., and Miller, D.K.. (1990) Nature, 343, 282-284.
Dixon, R.A.F., Diehl, R.E., Opas, E., Rands, E., Vickers, P.J., Evans, J.F., Gillard, J.W., and Miller, D.K.. (1990) Nature, 343, 282-284.