000 00273nam a2200109Ia 4500
008 220119s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aDelavenay, Emile
245 0 _aFor Books
260 _bUnesco
_aParis
_c1974
942 _c1
999 _c372121
_d372121