TY  - BOOK
AU  - Richardus,Peter
TI  - Project surveying: general adjustment and optimization techniques with applications to engineering surveying 
SN  - 0444106383
PY  - 1966///
CY  - Amsterdamn, New York
PB  - North-Holland, American Elsevier
KW  - Surveying
N1  - Includes index
ER  -