5Batchetor, B. K., Crawford, I. A., Turner, C. H. The assessment of a forest for pulping. Appita, 1970, 24( 1 ) : 27 - 44. 被引量:1
6Higgins, H. G., Yong, J' d., Balodis, V. et al. The density and the structure of hardwoods in relation to paper surface charateristics and other properties. Tappi J., 1973, 56 (8) : 127 - 131. 被引量:1