@book{51627,
	author = {Rao, K R and National Remote Sensing Agency, (Andhra Pradesh) and Venkataranam, L},
	title = {NRSA technical reports, 1977},
	publisher = {NRSA},
	year = {1977},
	address = {Secunderabad},
	note = {Contents: V.3. Ground Truth methodology for soilds}
}