TY  - BOOK
AU  - Staal,Gerardus Bernadus
TI  - Studies on the physiology of phase induction in locusta migratoria migratorioides R. & F.
PY  - 1961///
CY  - Wageningen
PB  - H. Veenman & Zonen
KW  - Locusts
N1  - Bibliography :p. 117- 124
ER  -