TY - GEN AU - Tautorus,T E AU - Wang,H AU - Fowke,L C AU - Dunstan,D I TI - Microtubule pattern and the occurrence of pre-prophase bands in embryogenic cultures of black spruce (Pieca mariana Mill.) and non-embryogenic cultures of jack pine (Pinus banksiana Lamb.) SN - 0721-7714 PY - 2013///1111 N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00234374 ER -