TY - BOOK ED - Food and Agriculture Organization of the United Nations ED - Expert Consultation on Drainage Design Factors (1979 : Rome, Italy) TI - Drainage design factors: 28 questions and answers U1 - 631.6 PY - 1980/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Drainage N1 - "Based on the Expert Consultation on Drainage Design Factors, Rome, 22-29 October 1979." ER -