Folwell, R., Wirth, L., Burt, L., Wirth, M. An econometric analysis of the United States kentucky bluegrass seed industry. Washington: 1978 19 p. : tab.
Folwell, R., Wirth, L., Burt, L., Wirth, M. An econometric analysis of the United States kentucky bluegrass seed industry. Washington: 1978 19 p. : tab.
Folwell, R., Wirth, L., Burt, L., Wirth, M. (1978) An econometric analysis of the United States kentucky bluegrass seed industry, Washington: 19 p. : tab.
Folwell, R., Wirth, L., Burt, L., & Wirth, M. (1978). An econometric analysis of the United States kentucky bluegrass seed industry. Washington: 19 p. : tab.
Folwell R, Wirth L, Burt L, Wirth M. An econometric analysis of the United States kentucky bluegrass seed industry. Washington: 1978. p. 19 p. : tab.
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