Counts from 
http://scholar.google.com/scholar

title                                       count

A Primer on Cointegration with an Applic      275
Applied regression analysis: a research       726
Atmospheric transport and wet deposition       59
Cointegrated time series: a guide to est       61
Comprehensive trend analysis of nutrient       17
Determining the order of differencing in      473
Distribution of the estimators for autor       18
Distribution of the estimators for autor     7220
Estimation and hypothesis testing in non      158
Hypothesis testing in ARIMA (p, 1, q) mo       86
Likelihood Ratio Statistics for Autoregr       34
Likelihood Ratio Statistics for …, 1981        17
Likelihood ratio statistics for autoregr       26
Likelihood ratio statistics for autoregr     4463
Likelihood ratio tests for autoregressiv      231
Linear statistical models: An applied ap      220
Powers of unit root tests                      24
SAS for forecasting time series                91
Seasonal unit roots in aggregate US data       19
Symmetric test for second differencing i       25
Testing for a unit root nonstationarity        44
Testing for unit roots in ARMA models of       31
Testing for unit roots in autoregressive       14
Testing for unit roots in autoregressive     1267
Testing for unit roots in seasonal time       315
The relation of stroke admissions to rec       28
Unit roots in time series models: tests       314
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