TY  - BOOK
TI  - Effects of variable temperatures and photoperiods on the biology of potato tuber moth, phthorimae operculella ( Zeller) (Lepidoptera : Gelechiidae) / 
U1  - 595.78 
PY  - 1997///
CY  - Dhaka : 
PB  - University of Dhaka, 
KW  - Insects
N1  - Thesis (M.Sc.) -- Department of Zoology , University of Dhaka, 1993-94.; Includes bibliographical references
ER  -