TY - GEN AU - Duggal, S K TI - Surveying I, 3/e SN - 978-0-07-015137-6 PY - 2009/// CY - New Delhi PB - McGraw-Hill KW - Surveying KW - Total-station UR - http://mcgrawhilleducation.pdn.ipublishcentral.com/pdfreader/surveying-i-3e ER -