000 00323nam a2200121 a 4500
005 20140414093847.0
008 100616s19uu xx uuu eng d
050 _aCDR 374.001
_bW63
100 _aWiggins, Grant
245 _aUnderstanding by desgn :
_busing the backward design process.
541 _eAV1330
942 _cAVM
999 _c109673
_d109673