TY  - BOOK
AU  - Heinrich, R.
AU  - Sedlak, O.
TI  - Planning, surveying, construction and protection works
U1  - 634.93095498 21st ed.
PY  - 1979///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Forest roads-Design and construction-Handbooks, manuals, etc
KW  - Forest roads-Handbooks, manuals, etc
KW  - Surveying
KW  - Transportation planning
N1  - Part 1: Forest roads in Bhutan; p 129
ER  -