TY  - BOOK
AU  - Alexander-Perkins Spence
TI  - Biology of the gall midge rhopalomyia hurtipes O.S. ( Diptera : Cecidomyiidae ) on solidago junce ait
U1  - 595.77 
PY  - 1969///
CY  - New York
PB  - Cornell University Agricultural experiment station
ER  -