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SINNOTT (E W), . (1946). Botany: principles and problems. New York: McGraw-Hill Book Company Inc.
SINNOTT (E W), . 1946. Botany: principles and problems. New York: McGraw-Hill Book Company Inc.
SINNOTT (E W), . Botany: principles and problems. New York: McGraw-Hill Book Company Inc. 1946.
