Nitrogen metabolism in plants /
Webster, George Calvin.
Nitrogen metabolism in plants / George C. Webster. - Evanston, Ill. : Row, Peterson, [1959] - 152 p. : ill. ; 21 cm. - Row-Peterson biological monographs .
Nitrogen metabolism in plants / George C. Webster. - Evanston, Ill. : Row, Peterson, [1959] - 152 p. : ill. ; 21 cm. - Row-Peterson biological monographs .