Comparative study of secondary phloem of 423 species of woody dicotyledons belon
Zahur, M.S.
Comparative study of secondary phloem of 423 species of woody dicotyledons belon - Ithaca 1959 - 1-160 p. - Cornell Agricultural Experimen .
Comparative study of secondary phloem of 423 species of woody dicotyledons belon - Ithaca 1959 - 1-160 p. - Cornell Agricultural Experimen .