@book{27010,
	author = {Chahal, G.S. and Gosal, S.S.},
	title = { Principles and procedures of plant breeding: biotechnological and conventional approaches/by G.S. Chahal and S.S. Gosal},
	publisher = {Narosa Publishing House;},
	year = {2010.},
	address = {New Delhi:},
	edition = {5th. reprint }
}