TY  - BOOK
AU  - Duggal k s
TI  - Surveying volume 1
SN  - 0074620894
AV  - TA 545 .D85 VOL.I
U1  - 526.9 21
PY  - 1996///
CY  - Harlow, Essex, England
PB  - Addison Wesley Longman Ltd.
KW  - Surveying
N1  - Includes bibliographical references and index
ER  -