TY - BOOK AU - Jat, M. L. and others, TI - Technical Bulletin No. 7 : Laser Land Leveling : A Precursor Technology for Resource Conservation U1 - 631.4 PY - 2006/// CY - New Delhi PB - Rice-Wheat Consortium for the Indo-Gangetic Plains, NASC KW - Techniques, equipment & materials ER -