The 4 references without contexts in paper John T. Barkoulas, Christopher F. Baum, Nickolaos Travlos (1996) “Long Memory in the Greek Stock Market” / RePEc:boc:bocoec:356

1
Agiakloglou, C., P. Newbold, and M. Wohar, 1993, Bias in an estimator of the fractional difference parameter, Journal of Time Series Analysis 14, 235246.
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7
Engle, R., 1982, Autoregressive conditional heteroscedasticity with estimates of the variance of U.K. inflation, Econometrica 50, 987-1008.
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13
Koutmos, G., Negakis, C. and P. Theodossiou, 1993, Stochastic behaviour of the Athens stock exchange, Applied Financial Economics 3, 119-126.
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21
Theodossiou, P., Koutmos, G. and C. Negakis, 1993, The intertemporal relation between the U.S. and Greek stock markets: A conditional tale analysis, International Journal of Finance 6, 492-508.
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