000 00310nam a2200109Ia 4500
001 MPKV109266
008 120911s9999 xx 000 0 und d
082 _a630
245 _aThesis Abstracts (Brazil) Vol.13 No. 1-4
_c;
246 _aThesis Abstracts (Brazil)
260 _aBrazil
_bUniversidade De Sao Paulo
_c1987
999 _c72608
_d72608