TY  - BOOK
AU  - Pearson, R.S.
TI  - Note on the contraction and  warping which takes place in Pinus longifolia timber while seasoning
U1  - 634.9752 21st ed.
PY  - 1917///
CY  - Calcutta
PB  - Superintendent Government 
KW  - Pinus longifolia timber
KW  - Wrap in timber seasoned
KW  - Selection of Specimens
KW  - Testing machine
N1  -  Forest Bulletin No. 37
ER  -