Liu, S., & Yeh, T. (1971). The use of prisms in variable plot cruising on natural hardwood forests. Taiwan Forestry Research Institute.
Dyfyniad Arddull ChicagoLiu, Shen-Cheng, and Tien-Shun Yeh. The Use of Prisms in Variable Plot Cruising on Natural Hardwood Forests. Taipei, Taiwan: Taiwan Forestry Research Institute, 1971.
Dyfyniad MLALiu, Shen-Cheng, and Tien-Shun Yeh. The Use of Prisms in Variable Plot Cruising on Natural Hardwood Forests. Taiwan Forestry Research Institute, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.