I agree that this site is using cookies. You can find further informations here.
X
Merkliste 
 1 Ergebnisse 
 
1

Amateur naturalists in long-term studies:

Owen, Denis F.
Trends in Ecology & Evolution.  9 (1994)  1 - p. 31 , 1994
Link: https://doi.org/10.1016/0169-5347(94)90232-1