00406nam a2200145Ia 4500008004100000020001500041082001800056100001900074245003600093260004000129300000800169650002100177650003400198653002800232170901s1974    xx            000 0 und d  a0470061472  a616.895bB37D  aBecker, Joseph 0aDepressionbTheory And Research  aNew YorkbJohn Wiley and Sonsc1974  a239  aMedical sciences  aTechnology (Applied sciences)  aDepression (Psychology)