@misc{Roberts_L._H._Variable_1972, author={Roberts, L. H.}, volume={166}, copyright={Rights Reserved - Restricted Access}, address={London}, journal={Journal of Zoology, Lond.}, howpublished={online}, year={1972}, publisher={Wiley-Blackwell}, language={eng}, title={Variable resonance in constant frequency bats}, type={Text}, keywords={Bats, Chilonycteris rubiginosa, Chiroptera, Echolocation, Hipposideridae, Rhinolophidae}, }