00320nam a2200121 a 450000500170000002000110001708200170002810000240004524500470006926000360011630000250015270000210017720251203110158.0  a012056  a515.353bAME  aAmes, Karen A.dand  aNon-standard and improperly posed problems  aSan DiegobAcademic Pressc1997  aix, 303p.c23 cm H.B  aStraugham, Brian