000 00342nam a2200145Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
020 _a0-471-25363-4
041 _aen
082 _a574
100 _aFALK, Doris
245 0 _aBiology Teaching Methods
260 _aNew York
_bJohn Wiley & Sons Inc
_c1971
300 _aviii, 291p
942 _cLL
999 _c170
_d170