TY - BOOK AU - Michael, A. M./ Ojha, T. P. TI - Agricultural engineering: Surveying irrigation, drainage soil and water consernation V. 11 SN - 8186321152 AV - S674 M5 2006 PY - 2006/// CY - New Delhi PB - Jain Brothers KW - Agricultural- Engineering KW - Irrigation KW - Drainage ER -