TY  - BOOK
AU  - Alvi, Zamir
TI  - Textbook of surveying
U1  - CB 
PY  - 1994///
CY  - New Delhi
PB  - Vikas Publications 
KW  - Surveying--Study and teaching
KW  - Surveying
KW  - Archeological surveying
KW  - Geodesy
ER  -