| Variation of non-structural carbohydrates in silver birch (Betula pendula Roth) wood R Piispanen, P Saranpää Trees 15, 444-451, 2001 | 124 | 2001 |
| Predicting wood and tracheid properties of Norway spruce H Mäkinen, T Jaakkola, R Piispanen, P Saranpää Forest Ecology and Management 241 (1-3), 175-188, 2007 | 94 | 2007 |
| Neutral lipids and phospholipids in Scots pine (Pinus sylvestris) sapwood and heartwood R Piispanen, P Saranpää Tree Physiology 22 (9), 661-666, 2002 | 71 | 2002 |
| Effects of defoliation on growth, biomass allocation, and wood properties of Betula pendula clones grown at different nutrient levels S Anttonen, R Piispanen, J Ovaska, P Mutikainen, P Saranpää, ... Canadian Journal of Forest Research 32 (3), 498-508, 2002 | 69 | 2002 |
| Variation of lignans in Norway spruce (Picea abies [L.] Karst.) knotwood: within-stem variation and the effect of fertilisation at two experimental sites in Finland R Piispanen, S Willför, P Saranpää, B Holmbom Trees 22, 317-328, 2008 | 44 | 2008 |
| Silver birch (Betula pendula) plants with aux and rol genes show consistent changes in morphology, xylem structure and chemistry R Piispanen, T Aronen, X Chen, P Saranpää, H Häggman Tree physiology 23 (11), 721-733, 2003 | 40 | 2003 |
| Peroxidase Activity, Isoenzymes and Histological Localisation in Sapwood and Heartwood of Scots Pine (Pinus sylvestris L.) K Fagerstedt, P Saranpää, R Piispanen Journal of Forest Research 3 (1), 43-47, 1998 | 35 | 1998 |
| Seasonal and within-stem variations of neutral lipids in silver birch (Betula pendula) wood R Piispanen, P Saranpää Tree physiology 24 (9), 991-999, 2004 | 31 | 2004 |
| Wood density of Norway spruce in uneven-aged stands R Piispanen, J Heinonen, S Valkonen, H Mäkinen, SO Lundqvist, ... Canadian Journal of Forest Research 44 (2), 136-144, 2014 | 28 | 2014 |
| Variation in the amount of triacylglycerols and steryl esters in the outer sapwood of Pinus sylvestris L. P Saranpää, R Piispanen Trees 8, 228-231, 1994 | 20 | 1994 |
| Growth, wood chemistry, and fibre length of Norway spruce in a long-term nutrient optimization experiment S Kaakinen, R Piispanen, S Lehto, J Metsometsä, U Nilsson, P Saranpää, ... Canadian journal of forest research 39 (2), 410-419, 2009 | 13 | 2009 |
| Lignans in knotwood of Norway spruce: Localisation with soft X-ray microscopy and scanning transmission electron microscopy with energy dispersive X-ray spectroscopy T Mansikkala, M Patanen, A Kärkönen, R Korpinen, A Pranovich, ... Molecules 25 (13), 2997, 2020 | 12 | 2020 |
| Effects of seed transfers on yield and stem defects of silver birch (Betula pendula Roth) A Viherä-Aarnio, K Kostiainen, R Piispanen, P Saranpää, E Vapaavuori Forest ecology and management 289, 133-142, 2013 | 10 | 2013 |
| Rauduskoivun varastoravintoaineet ja puuaineksen varinmuutos kuivauksessa R Piispanen Research notes 134, 7-21, 2001 | 9 | 2001 |
| Biomass and structure of Norway spruce trees grown in uneven-aged stands in southern Finland A Kumpu, R Piispanen, F Berninger, J Saarinen, A Mäkelä Scandinavian Journal of Forest Research 35 (5-6), 252-261, 2020 | 7 | 2020 |
| Deformations of boards from uneven-aged Norway spruce stands R Piispanen, J Heikkinen, S Valkonen European journal of wood and wood products 78, 533-544, 2020 | 4 | 2020 |
| Tracheid dimensions of Norway spruce in uneven-aged stands J Pyörälä, R Piispanen, S Valkonen, SO Lundqvist Canadian Journal of Forest Research 52 (3), 346-356, 2022 | 3 | 2022 |
| This is an electronic reprint of the original article. This reprint may differ from the original in pagination and typographic detail. E Kejonen | 3 | 2016 |
| STXM chemical mapping of Norway spruce knotwood lignans M Huttula, M Patanen, R Piispanen, T Ohigashi, N Kosugi, S Swaraj, ... Microscopy and Microanalysis 24 (S2), 482-483, 2018 | 2 | 2018 |
| Puun laatu metsänkasvatuksessa H Mäkinen, R Piispanen, S Valkonen Metsänkasvatus-menetelmät ja kannattavuus/Ed. Huuskonen, S., Hynynen, J …, 2014 | 1 | 2014 |
