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- [1] BUNCHING TIMBER WITH A RADIO-CONTROLLED WINCH IN MOUNTAINOUS TERRAIN TRANSACTIONS OF THE ASAE, 1984, 27 (05): : 1270 - 1276
- [4] CONCEPTS FOR HARVESTING TIMBER ON STEEP TERRAIN. Transactions of the American Society of Agricultural Engineers, 1988, 31 (02): : 362 - 368
- [9] RADIO-CONTROLLED MODELS - DISCUSSION PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1952, 99 (62): : 405 - 406