TY - RPRT TI - Characteristics of lambda p4, a lambda derivative containing 9 per cent excess DNA. AU - J Weil AU - R Cunningham AU - R Martin AU - E Mitchell AU - B Bolling PY - 1972 DO - 10.1016/0042-6822(72)90388-1 UR - https://pubmed.ncbi.nlm.nih.gov/4629043/ ID - 4629043 ER -