Pavan, G., & Zunino, M. (1990). ACOUSTIC SIGNALS AND STRIDULATORY APPARATUS IN COPEIS INCERTUS SAY (COLEOPTERA SCARABAEIDAE: COPRINAE),. ACTA ZOOLĂ“GICA MEXICANA (N.S.), (39), 1-18. https://doi.org/10.21829/azm.1990.37391690