PENDENT SPECTRAL INDUCED POLARIZATION (SIP) SIGNATURES OF CELLULAR BIOMASS VERSUS EXTRACELLULAR POLYMERIC SUBSTANCES: A COMPARATIVE INVESTIGATION IN DELTA NORTH SENATORIAL DISTRICT, NIGERIA. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 73, p. 214–212, 2026. DOI: 10.60787/jnamp.vol73no.759. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/759.. Acesso em: 6 oct. 2026.