000 00296nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a678.4:33:061.31991
_bINT
245 0 _aProceedings of the 33rd assembly Yaounde, Republic of Cameroon 18-23 Nov 1991
260 _aLondon
_bIRSG
_c1991
942 _cBK
999 _c40493
_d40493