TY  - BOOK
AU  - Smith, Robert Leo
AU  -  Bedecarrax, Edmund E. and Fenster, Eugene
TI  - Elements of ecology and field biology
SN  - 978-0-321-00687-9
AV  - QH541.S624 
CY  - California
KW  -  Biology -- Fieldwork
KW  - Ecology
ER  -