000 00263nam a2200097Ia 4500
100 _aChowdhury N P
245 _aResearches in Living Pteridophytes in India Burma & Ceylon
260 _bAsia Pub House, Bombay
082 _aI4.2/N71/B13931
300 _app 80; 22*14
999 _c11479
_d11479