000 00360nam a2200157Ia 4500
008 180831s9999 xx 000 0 und d
020 _a931386683
040 _cSerosoft Solutions
100 _aWilson Thamas
245 0 _aAdvances In Periodontics
260 _aChicago
260 _bQuintessence Pub
260 _c1992
300 _a383
944 _a4157
999 _c12580
_d12580