@article {929,
	title = {Reconstruction of Past Climatic Variability (A Progress Report) 30 June through 31 December 1974},
	year = {1974},
	institution = {Laboratory of Tree-Ring Research},
	type = {Fifth Semi-Annual Technical Report},
	address = {Tucson},
	keywords = {ARPA, climatic variability, dendroclimatology, past climate, reconstruction, tree rings},
	author = {Fritts, H.}
}
