Airborne pollens and spores : a guide to trapping and counting.
Caulton, Eric.
Lacey, Maureen.
British Aerobiology Federation.
National Pollen and Hayfever Bureau.
Harpenden : British Aerobiology Federation,
1995.
Cover title
Written by: Eric Caulton and Maureen Lacey with assistance from Ursula Allitt ...[et al.]
On T.p. verso: National Pollen and Hayfever Bureau.
Pollen
Spores (Botany)