1. The regulation of numbers in locust populations: laboratory studies on reproduction and survival;Albrecht,1970
2. The decline of locust plagues: an essay in the ecology of photoperiodic regulation;Albrecht;Acrida,1973
3. The photoperiodic regulation of temperature requirements in crowded African migratory locusts (Locusta migratoria migratorioi, R. & F.) II Increasing and decreasing photoperiods and mortality;Albrecht;Acrida,1973
4. The activity of denervated corpora allata in a diapausing strain of Locusta migratoria: in vivo and in vitro studies;Baehr;Int. J. Invert. Reprod.,1986
5. Role des corpora allata dans le conditionnement photoperiodique de la maturation chez Locusta migratoria migratoria L. souche “Kazalinsk”;Darjo;C. R. Acad. Sci., Paris,1969