Access road construction on peat. -- Fredericton : Canadian Forest Service, 1993. -- [5] s. : 3 obr. ; 28 cm. -- (R&D Technical Note ; 31). -- (brož.) : 35.00 Sk. -- ISSN 1188-8512

630*114.444+551.312.2+625.7+625.7/.8
ZV001