@book{9851,
	author = {Bhatnagar, S S},
	title = {Class book of practical botany, Vol.1: Algae, Lichens, Viruses, Bacteria, Bryophytes, Pteridophytes and Gymnosperms /},
	publisher = {Ratan Prakashan Mandir, Agra,},
	year = {1976},
	edition = {3 ed.}
}