@book {163,
	title = {Working with Ferns: Issues and Applications},
	year = {2010},
	publisher = {Springer},
	organization = {Springer},
	isbn = {9781441971623},
	author = {Kumar, A. and Fern{\'a}ndez, H. and Revilla, M.A.}
}
@book {117,
	title = {Recent developments and case studies in ethnobotany},
	year = {2010},
	publisher = {Sociedade Brasileira de Etnobiologia e Etnoecologia},
	organization = {Sociedade Brasileira de Etnobiologia e Etnoecologia},
	isbn = {9788577167111},
	author = {de Albuquerque, U.P. and Hanazaki, N. and Sociedade Brasileira de Etnobiologia e Etnoecologia}
}
