00333nam a2200109Ia 4500008004100000022001800041040002500059082002000084100002300104245006700127260002900194240215s9999    xx            000 0 und d  a1-884585-02-7  aNORSU-DumcNORSU-Dum  a001.42/P27/1997  aPatten, Mildred L. 0aUnderstanding Research Methods (an overview of the Essentials)  bPyrczak Publishingc1997