TY - RPRT TI - A method for preserving reference specimens of actinomycetes. AU - H D TRESNER AU - E J BACKUS PY - 1957 DO - 10.1128/jb.73.5.687-688.1957 UR - https://pubmed.ncbi.nlm.nih.gov/13428721/ ID - 13428721 ER -