Sperry, John S.;Nichols, Kirk L.;Sullivan, June E;Eastlack, Sondra E.«Xylem Embolism in ring-porous, diffuse-porous, and coniferous trees of Northern Utah and Interior Alaska».Ecology,75,6,1994,p.1736–1752. DOI: 10.2307/1939633. ISSN: 0012-9658. JSTOR: 1939633.
Sperry, John S.;Nichols, Kirk L.;Sullivan, June E;Eastlack, Sondra E.«Xylem Embolism in ring-porous, diffuse-porous, and coniferous trees of Northern Utah and Interior Alaska».Ecology,75,6,1994,p.1736–1752. DOI: 10.2307/1939633. ISSN: 0012-9658. JSTOR: 1939633.
Sperry, John S.;Nichols, Kirk L.;Sullivan, June E;Eastlack, Sondra E.«Xylem Embolism in ring-porous, diffuse-porous, and coniferous trees of Northern Utah and Interior Alaska».Ecology,75,6,1994,p.1736–1752. DOI: 10.2307/1939633. ISSN: 0012-9658. JSTOR: 1939633.