000
00292nam a2200109Ia 4500
008
240531s9999 xx 000 0 und d
082
_a
540 711 INT
100
_a
NULL
245
0
_a
International conference on university chemistry teaching
260
_a
Nairobi
_b
E.A.L.B
_c
1973
942
_c
ANF
999
_c
316012
_d
316012