@book{bhlpg5952891, title = {Experiment station record }, volume = {25, 1911}, url = {https://www.biodiversitylibrary.org/page/5952891}, publisher = {G.P.O}, author = {United States. Office of Experiment Stations. }, year = {1911}, pages = {Page 974}, } @book{bhlpg5909013, title = {Just's Botanischer Jahresbericht }, volume = {Jahrg.34:Abt.3 (1906)}, url = {https://www.biodiversitylibrary.org/page/5909013}, publisher = {Gebruder Borntraeger}, author = {Just, Johann Leopold, 1841 -1891}, year = {1906}, pages = {Page 208}, } @book{bhlpg18595704, title = {Nature }, volume = {v.85=no.2140-2156 (1910-1911)}, url = {https://www.biodiversitylibrary.org/page/18595704}, publisher = {Macmillan Journals Ltd., etc}, author = {Lockyer, Norman, Sir, 1836 -1920}, year = {1910}, pages = {Page 464}, } @book{bhlpg8913839, title = {Smithsonian miscellaneous collections }, volume = {v.84 (1930-1931)}, url = {https://www.biodiversitylibrary.org/page/8913839}, publisher = {Smithsonian Institution}, author = {Smithsonian Institution }, year = {1930}, pages = {Page 519}, }