TY - RPRT TI - Equilibrium density gradient ultracentrifugation: a simple computer program for routine DNA analysis. AU - F Quétier AU - E Guillé AU - L Lejus PY - 1969 DO - 10.1016/0003-9861(69)90090-3 UR - https://pubmed.ncbi.nlm.nih.gov/5778682/ ID - 5778682 ER -