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Cover image for Spring grain-aphis (Toxoptera graminum Rond.).

Spring grain-aphis (Toxoptera graminum Rond.).

  • 1907
  • Format: Microform
Location Call # Status
Joyner - Microforms B300 CIS US EXEC MF A905-85 ✔ Available
Cover image for Spring grain-aphis or so-called "green bug" (Toxoptera graminum Rond.).

Spring grain-aphis or so-called "green bug" (Toxoptera graminum Rond.).

  • 1907
  • Format: Microform
Location Call # Status
Joyner - Microforms B300 CIS US EXEC MF A905-93.1 ✔ Available
Joyner - Microforms B300 CIS US EXEC MF A905-93.2 ✔ Available