@book{57579,
	author = { Shivanna, K R and Johri, B M },
	title = {Development and physiology of angiosperm pollen /},
	publisher = {Today & Tomorrow's Printers and Publishers, },
	year = {1979.},
	series = {Advances in pollen-spore research, 3 },
	address = {New Delhi : }
}