Subject
- Abscisic acid1
- Bromegrasses -- Frost resistance1
- Fish populations -- Estimates -- Mathematical models1
- Fish stock assessment -- Mathematical models1
- Herbicides1
- Plant competition1
- Plants -- Frost resistance1
- Plants -- Hardiness1
- Ryegrasses1
- Soil pollution1
- Textile fabrics -- India1
- Violence -- Research1
- Violence in literature1
- Winter wheat1