TY  - BOOK
ED  - Darling Downs Institute of Advanced Education.
TI  - Surveying computations I
PY  - 1986///
CY  - [Toowomba]
PB  - The Institute, Dept. of External & Continuing Education
KW  - Surveying
KW  - Mathematics
N1  - Unit 77401; On cover : Study book 1
ER  -