TY  - BOOK
AU  - Needham, James G.
ED  - Trevor, Jay N.
ED  - Hsu, Yon-Chin
TI  - Biology of mayflies : with a systematic account of north American species
U1  - 595.734097 
PY  - 1972///
CY  - Middlesex
PB  - E.W. Glassey
ER  -