Biblio
] . 1978. “Tree-Ring Evidence Of Past Climatic Variability”. Nature 276 (No. 5686). Nature.
. 1933. “Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
Douglass, AE_Evidences of Cycles in Tree RIng Records_1933.pdf (11.71 MB)