000 00405nam a2200157Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
020 _cRS75
040 _e1038
_aMAIN
041 _aEnglish
082 _a587 B53P
100 _aBir, S S, ed.
245 0 _aPteridophytes: some aspects of their structure and morphology
260 _aNew Delhi
_bToday & Tomorrow
_c1980
300 _a157 p.
942 _cBK
999 _c55923
_d55923