000 00284nam a22001097a 4500
008 150819b xxu||||| |||| 00| 0 eng d
020 _a0124318029
082 _a156 LIF
100 _aBALTES PAUL,B.
245 _aLIFE-SPAN DEVELOPMENT AND BEHAVIOR
260 _aNEW YORK
_bACADEMIC PRESS
_c1979
999 _c178
_d178