TY  - BOOK
AU  - Carrell,D.M.
AU  - Evans,R.D.
AU  - Bendelow,V.C.
TI  - Air photo-interpretation for soil mapping
AV  - IRA S599.C3 
PY  - 1977///
CY  - Harpenden
PB  - Lawes Agricultural Trust
KW  - Soil surveys
N1  - Includes bibliographical references and index
ER  -