@book{25030,
	author = {Ghosh, S. R.  and Ghosh, S. R. and Botanical Survey of India.},
	title = {The Pteridophytic flora of eastern India. Volume-01 /},
	publisher = {Botanical Survey of India, Ministry of Environment and Forests,},
	year = {2004-},
	address = {[Kolkata] :}
}