Results 141 to 150 of about 1,938 (181)
DIRECT AND OPTICAL ASSAY OF LEAF MASS OF THE LOWER MONTANE RAIN FOREST OF PUERTO RICO. [PDF]
Proc Natl Acad Sci U S A, 1963 Odum HT, Copeland BJ, Brown RZ.
europepmc +1 more source
Diel nitrogen fixation by cyanobacterial surface blooms in sanctuary lake, pennsylvania. [PDF]
Appl Environ Microbiol, 1990 Storch TA, Saunders GW, Ostrofsky ML.
europepmc +1 more source
The Larger Results of 20 Years of Solar Radiation Observations. [PDF]
Proc Natl Acad Sci U S A, 1922 Abbot CG, Fowle FE, Aldrich LB.
europepmc +1 more source
The Smithsonian ;Solar Constant' Expedition to Calama, Chile. [PDF]
Proc Natl Acad Sci U S A, 1918 Abbot CG.
europepmc +1 more source
Solar variation, a weather element. [PDF]
Proc Natl Acad Sci U S A, 1966 Abbot CG.
europepmc +1 more source
Sun-Following Pyrheliometer Mounts for Insolation Data Collection
, 1978 D. Stuart, C. Much
openaire +2 more sources
THE VARIABILITY OF THE THERMOELECTRIC PYRHELIOMETER FACTOR
Monthly Weather Review, 1940 openaire +1 more source