@book{25094,
	author = {Biswas, T.D and Mukherjee, S.K},
	title = {Textbook of soil science/by T.D. Biswas and S.K. Mukherjee},
	publisher = {Tata McGraw Hill Publishing Company,},
	year = {1999.},
	address = {New Delhi: },
	edition = {5th. ed.}
}