TY  - BOOK
AU  - AGOR,R.
TI  - A TEXTBOOK ADVANCES SURVEYING / 
U1  - 526.9 
PY  - 1993///
CY  - [S.N] : 
PB  - KHANNA PUBLISHERS ، 
KW  - التحليل الرياضى
KW  - CIVIL ENGINEERING
KW  - SURVEYING
ER  -