Citation: Rs. Rabin et V. Stewart, DUAL RESPONSE REGULATORS (NARL AND NARP) INTERACT WITH DUAL SENSORS (NARX AND NARQ) TO CONTROL NITRATE-REGULATED AND NITRITE-REGULATED GENE-EXPRESSION IN ESCHERICHIA-COLI K-12, Journal of bacteriology, 175(11), 1993, pp. 3259-3268