00271nam a2200097Ia 4500008004100000082001500041100002100056245005800077264002800135300001000163200527s9999||||xx |||||||||||||| ||und||  a150.72 DUS  aDustin, David S. 0aHow Psychologists Do Research: The Example of Anxiety  bPrentice-Hall Incc1969  a108p.