@book{26049,
	author = { Bhatnagar, R.K.  and Palta, R.K.},
	title = {Earthworm vermiculture and vermi composting/by R.K. Bhatnagar and R.K. Palta},
	publisher = {Kalyani Publishers, },
	year = {1996.},
	address = {Ludhiana: },
	edition = {1st.ed.}
}