TY  - BOOK
AU  - "Soponis, Annelle, R.;"
TI  - A revision of the Nearctic Species of Orthocladius (Orthocladius) Van Der Wulp (Diptera: Chironomidae
U1  - 595.77.001.7 L7 
PB  - "Entomological society of Canada, 1977"
KW  - Entomology
ER  -