TY  - BOOK
AU  - Van Schilfgaarde, Jan,
ED  - American Society of Agronomy.
TI  - Drainage for agriculture
T2  - Agronomy ; no. 17
AV  - TC970 .D68
U1  - 631.62 
PY  - 1974///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Drainage
N1  - Includes bibliographies and index
ER  -