TY  - BOOK
AU  - Gerhard,William Josiah
TI  - The periodical cicada
T2  - [Field museum of natural history. Zoology leaflet 4]
AV  - QL1 .F5 no.4
PY  - 1923///
CY  - Chicago
PB  - Field museum of natural history
KW  - Periodical cicada
N1  - Cover-title; "Some important papers on the periodical cicada" : p. 14
ER  -