@book{105767,
	author = {Aparna, M B.},
	title = {Effects of elevated CO2 on putative ammonium transporter 1 expression in Azolla-Anabaena azollae symbiotic system},
	publisher = {Dept. of Botany, University of Calicut},
	year = {2018},
	address = {Calicut},
	note = {PhD. thesis}
}