000 00352nam a2200133Ia 4500
008 220721s1961 xx 000 0 und d
041 _aeng
082 _a580(54)
100 _aDuvigneaud, Paul
245 _aBiology to-day: It's Role in Education
260 _aAustria
_bOrganisation For Economic Co-O
_c1961
300 _a188P.
999 _c81254
_d81254