TY - RPRT TI - Electron microscope studies on Ophiostoma multiannulatum. AU - A v Hofsten AU - B v Hofsten PY - 1967 DO - 10.1111/j.1601-5223.1967.tb02148.x UR - https://pubmed.ncbi.nlm.nih.gov/5586607/ ID - 5586607 ER -