TY  - BOOK
AU  - Paul Emerson
TI  - Soil characteristics : A field and laboratory guide
U1  - 631.4 
PY  - 1925///
CY  - New York
PB  - Mc Graw Hill Book Co Inc
N1  - Paul Emerson: Soil characteristics : A field and laboratory guide.  New York.  Mc Graw Hill Book Co Inc, 1925.--(631.4EME)
ER  -