TY  - BOOK
AU  - Helle,W.
AU  - Sabelis,M.W.
TI  - Spider mites: their biology, natural enemies, and control 
SN  - 0444423737 (series)
PY  - 1985///
CY  - Amsterdam
PB  - Elsevier North-Holland
KW  - Tetranychidae
KW  - Control
KW  - Arachnida
N1  - Includes bibliographies and indexes
ER  -