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The clover and alfalfa seed chalcis-fly /
Theodore D. Urbahns.

APA Citation

Urbahns, T. D. (Theodore Dietrich). (1920). The clover and alfalfa seed chalcis-fly. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

Urbahns, T. D. (Theodore Dietrich), 1880-. The Clover And Alfalfa Seed Chalcis-fly. Washington, D.C.: U.S. Dept. of Agriculture, 1920.

Warning: These citations may not always be complete (especially for serials).