000 00288nam a22001097a 4500
999 _c162363
_d162363
082 _a
_b
100 _aDavid Gibson
245 _aDowns syndrome:
_bthe psychology of monogolism/
_cby David Gibson.
260 _aNew York:
_b Cambridge University Press,
_c1991.
650 _a
942 _cBK