000 00389nam a2200157Ia 4500
008 201006s1987 xx 000 0 und d
041 _aeng
082 _a6.7.601
100 _aW.H.O.
245 _aOral Helth Surveys Basic Methods
250 _a1
260 _aDelhi
_bW.H.O.
_c1987
300 _aIV53
650 _aCommunity Dentistry(617.601)
650 _aCommunity Dentistry(617.601)
999 _c75224
_d75224