01111nam a2200217 c 4500001001300000005001500013008004100028040001100069041001300080052002600093245027500119300003200394545005000426653016700476700005300643700001400696773012400710856002000834900001900854900002000873KSI00010154720040223140900031201s1995    ggka          000   kor    a0110010 akorbeng01a526.05b한591c84(1)00a급경사지 산림작업을 위한 차량의 역학분석에 관한 연구:b차륜형 집재작업 트랙터를 중심으로=x(A)study on ground vehicle mechanics for steep slope forest operations:brubber-tired log skidding tractor operations/d정주상,e정우담  ap. 218-225:b삽도;c26 cm  a정우담, 서울대학교 산림자원학과  a급경사지a산림작업a차량a역학분석a차륜형a집재작업?a트랙터aMathematical analysis modelaSteep-slope long-skiddingaRubber-tired tractor1 a정주상,g鄭主相,d1956-0KAC2014184664aut1 a정우담0 t韓國林學會誌.d한국임학회.g84권 2호(1995년 6월), p. 218-225q84:2<218w(011001)KSE199509158,x0445-465040u3345291aKd00010aChung, Woo Dam10aChung, Joo Sang