Dirr, M. A., & Heuser, C. W. The reference manual of woody plant propagation: From seed to tissue culture : a practical working guide to the propagation of over 1100 species, varieties, and cultivars ([2. ed.].). ix, 410 p.: il..

Dirr, Michael A., and Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture : A Practical Working Guide to the Propagation of Over 1100 Species, Varieties, and Cultivars. [2. ed.]. ix, 410 p.: il..

Dirr, Michael A., and Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture : A Practical Working Guide to the Propagation of Over 1100 Species, Varieties, and Cultivars. [2. ed.]. ix, 410 p.: il..