000 00321nam a2200133Ia 4500
008 160921s9999 xx 000 0 und d
020 _a0-7817-6992-2
100 _aGehrig-Nield S. Jill
245 _aFundamentals of periodontal instrumentation
250 _a6th
260 _bLWW
_c2008
300 _a637
942 _cBK
999 _c26396
_d26396