000 00304nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9966882154
082 _a305.235CAS
100 _aCastillo Gerardo
245 0 _aTeenagers and their Problems
260 _bFocus Publishers Ltd
_c1978
942 _cBK
999 _c454072
_d454072