Heiser, C. Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi. Berkeley: University of California Press, 1949 157-196 p. : ill., 5 ill.
Heiser, C. Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi. Berkeley: University of California Press, 1949 157-196 p. : ill., 5 ill.
Heiser, C. (1949) Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi, Berkeley: University of California Press 157-196 p. : ill., 5 ill.
Heiser, C. (1949). Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi. Berkeley: University of California Press, 157-196 p. : ill., 5 ill.
Heiser C. Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi. Berkeley: University of California Press; 1949. p. 157-196 p. : ill., 5 ill.
