TY - RPRT TI - Styrofoam cup-membrane assembly for studying microorganism-root interactions. AU - P G Hartel AU - J W Billingsley AU - J W Williamson PY - 1989 DO - 10.1128/aem.55.5.1291-1294.1989 UR - https://pubmed.ncbi.nlm.nih.gov/16347920/ ID - 16347920 ER -