000			00337nam a2200133Ia 4500
001			81428
008			170722s9999 xx 000 0 und d
100			_aKlinckmann, Evelyn
245			_aBiology teachers handbook /
250			_a2nd ed.
260			_c1970.
490			_aBiological sciences curriculum study Publications
942			_cGEN
999			_c78814 _d78814