On the longevity of pollen /
Holman, Richard M.
On the longevity of pollen / by Richard M. Holman and Florence Brubaker - Berkeley : University of California Press, 1926 - 179-204 p. ; 25 cm - University of California publications in botany ; 13 .
On the longevity of pollen / by Richard M. Holman and Florence Brubaker - Berkeley : University of California Press, 1926 - 179-204 p. ; 25 cm - University of California publications in botany ; 13 .