000 00298nam a2200133 4500
082 _a370
_bCCH.D
084 _2Colon Classification
100 _aCCHE
245 _aDigest of reports /
_cby CCHE
246 _aA digest of reports
260 _bMac book,
_c1971.
650 _aReport
942 _cBK
999 _c682320
_d682320