Bisbas, TG;    Bell, TA;    Viti, S;    Barlow, MJ;    Yates, J;    Vasta, M;      (2014)    A photodissociation region study of NGC 4038.                   Monthly Notices of the Royal Astronomical Society , 443  (1)   pp. 111-121.    10.1093/mnras/stu1143 <https://doi.org/10.1093/mnras%2Fstu1143>.       Green open access