000 00263nam a2200109Ia 4500
008 170912s9999 xx 000 0 und d
082 _aSPO/T
100 _aSPORNE K R
245 4 _aTHE MORPHOLOGY OF PTERIDOPHYTES
260 _bB I PUBLICATIONS
_c1976
942 _cTB
999 _c32819
_d32819