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Improved Modification in the Columbia Drill
Author(s) -
Woodward R. W.,
Tingey D. C.
Publication year - 1933
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1933.00021962002500030009x
Subject(s) - citation , drill , agricultural experiment station , library science , computer science , agriculture , archaeology , history , engineering , mechanical engineering