TY - BOOK AU - Moller, Peter TI - ‘Communication’ in weakly electric fish, Gnathonemus niger (Mormyridae) I. Variation of electric organ discharge (EOD) frequency elicited by controlled electric stimuli KW - VERTEBRADOS KW - PECES KW - GNATHONEMUS NIGER KW - peces elefantes KW - familia Mormyridae ER -