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Donald A Perala has written:
'Shearing restores full productivity to sparse aspen stands' -- subject(s): Aspen, Pruning
'Thinning strategies for aspen' -- subject(s): Aspen, Forest thinning
'Aspen sucker production and growth from outplanted root cuttings' -- subject(s): Plant propagation, Aspen
'A provisional assessment of triclopyr herbicide for use in Lake States' forestry' -- subject(s): Herbicides, Hardwoods, White spruce, Testing
'Regeneration and productivity of aspen grown on repeated short rotations' -- subject(s): Aspen
'Aspen in the north central States' -- subject(s): Aspen, Handbooks, manuals
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What has the author Perala Ratnam written?
Perala Ratnam has written: 'Afghanistan's uncertain future' -- subject(s): Politics and government 'Cuatro rostros de la India' -- subject(s): Biography
When was Reino A. Perala born?
Reino A. Perala was born in 1915.
When did Reino A. Perala die?
Reino A. Perala died in 2002.
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Donald Wellington has written: 'The fund drive'
