000 00332pam a2200145a 44500
008 160408b1971 xxu||||| |||| 00| 0 eng d
010 _a73132478
020 _a0 8093 0490 2
082 _a160
_bW461
100 _aWellman, Carl
245 1 _aCHALLENGE AND RSPONSE
260 _a
_b
_c1971
964 _gCIRC
997 _aA32172 C
999 _c244514
_d244514