000 00335nam a2200133Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a155
_bDRU
100 _aDrucker Peter.
245 4 _aThe age of discontinuity
260 _aNew Delhi :
_b,
_c1994
300 _a476.
650 _aDifferential developmental psychology
999 _c31443
_d31443