| HE-1 | Survey, Design and Construction of Trail Suspension Bridges for Remote Areas | Suspension Bridge Division | Switzerland: Swiss Center for Appropriate Technology, SKAT | 1992 | 375 |
HE-2
| Survey, Design and Construction of Trail Suspension Bridges for Remote Areas | Kr?henb?hl, J & Wagner, A | Switzerland: Swiss Center for Appropriate Technology, SKAT
| 1983 | 325 |
HE-3
| Survey, Design and Construction of Trail Suspension Bridges for Remote Areas | Panciotto, D | Switzerland: Swiss Center for Appropriate Technology, SKAT
| 1990 | 287 |
HE-4
| How to Built a Local Trail Bridge | Helveas
| Kathmandu: Bridge Building at the Local Level | 1993 | 52 |
HE-5
| Routine Maintenance for Trail Bridge | Helveas, Trail Bridge Sector | Kathmandu: Helvetas | 2056 | 38 |
HE-6
| Survey, Design and Construction of Trail Suspension Bridges for Remote Areas Vol C, Part I, Stadard Design Drawings | Basnet, C. B. & J. Krahenbiihl
| Varbuelstrass: Swiss Centre for Appropriate Technology, SKAT | 1983 | 76 |
HE-7
| Survey, Design and Construction of Trail Suspension Bridges for Remote Areas Vol C, Part II, Stadard Design Drawings | Basnet, C. B. & J. Krahenbiihl | Varbuelstrass: Swiss Centre for Appropriate Technology, SKAT | 1983 | 181 |
