Wesley P. Hackett Goldfarb, B., Hackett, W. P., Furnier, G. R., Mohn, C. A., & Plietzsch, A. (1998). Adventitious root initiation in hypocotyl and epicotyl cuttings of eastern white pine (Pinus strobus) seedlings. PHYSIOLOGIA PLANTARUM, 102(4), 513–522. https://doi.org/10.1034/j.1399-3054.1998.1020405.x Goldfarb, B., Howe, G. M., Hackett, W. P., & Monteuuis, O. (1996). Survival and growth of eastern white pine shoot apical meristems in vitro. PLANT CELL TISSUE AND ORGAN CULTURE, 46(3), 171–178. https://doi.org/10.1007/BF02307092