International agronomy training and education. Madison: ASA etc, 1969 VIII, 108 p. : ill.
International agronomy training and education. Madison: ASA etc, 1969 VIII, 108 p. : ill.
(1969) International agronomy training and education, Madison: ASA etc VIII, 108 p. : ill.
(1969). International agronomy training and education. Papers presented at the annual meeting of the American Society of Agronomy in New Orleans, November, 1968. Madison: ASA etc, VIII, 108 p. : ill.
International agronomy training and education: Papers presented at the annual meeting of the American Society of Agronomy in New Orleans, November, 1968. Madison: ASA etc; 1969. p. VIII, 108 p. : ill.
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