TY - BOOK AU - Basak, NN TI - Surveying & levelling SN - 0-07-460399-x U1 - 526.9 PY - 1994/// CY - New Delhi PB - Tata McGraw-Hill KW - Feild astronomy KW - Hydro graphy KW - Remote sensning N1 - Includes index; SBD ER -