• Co-digestion of sewage sludge and sterilized solid slaughterhouse waste : methane production efficiency and process limitationsPitk, Peep; Kaparaju, Prasad; Palatsi, Jordi; Affes, Rim; Vilu, RaivoBioresource technology2013 / p. 227-232 : ill https://www.sciencedirect.com/science/article/pii/S0960852413002526 https://doi.org/10.1016/j.biortech.2013.02.029 https://www.scopus.com/sourceid/15423 https://www.scopus.com/record/display.uri?eid=2-s2.0-84875234561&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1016%2Fj.biortech.2013.02.029%29&sessionSearchId=c42962733a94ae09ac921c72c691ac9c&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BIORESOURCE%20TECHNOL&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000318052200018
• Mesophilic co-digestion of dairy manure and lipid rich solid slaughterhouse wastes : process effienciency, limitations and floating granules formationPitk, Peep; Palatsi, Jordi; Kaparaju, Prasad; Fernandez, Belen; Vilu, RaivoBioresource technology2014 / p. 168-177 : ill https://doi.org/10.1016/j.biortech.2014.05.033 https://www.scopus.com/sourceid/15423 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901941960&origin=inward&txGid=88976ade17b5cf1db597a842b79054cc https://jcr.clarivate.com/jcr-jp/journal-profile?journal=BIORESOURCE%20TECHNOL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000338711100022
• Methane potential of sterilized solid slaughterhouse wastesPitk, Peep; Kõrgmaa, Vallo; Vilu, Raivo8th IWA International Symposium on Waste Management Problems in Agroindustries : Çeşme, Turkey2011 https://www.sciencedirect.com/science/article/pii/S0960852412006438
• Methane potential of sterilized solid slaughterhouse wastesPitk, Peep; Kaparaju, Prasad; Vilu, RaivoBioresource technology2012 / p. 42-46 : ill https://www.sciencedirect.com/science/article/pii/S0960852412006438
• Protein- and lipid-rich solid slaughterhouse waste anaerobic co-digestion : resource analysis and process optimization = Proteiini- ja lipiidirikaste tahkete tapamajajäätmete anaeroobne kooskääritamine : ressursi analüüs ja protsessi optimeeriminePitk, Peep2014 https://www.ester.ee/record=b3724112*est
• Tool for the assessment and prediction of animal by-product resourcesSannik, Urmas; Pitk, Peep; Lepasalu, Lembit; Poikalainen, VäinoWaste and Biomass Valorization2016 / p. 397 - 404 https://doi.org/10.1007/s12649-015-9447-3 https://www.scopus.com/sourceid/19600157918 https://www.scopus.com/record/display.uri?eid=2-s2.0-84962527339&origin=resultslist&sort=plf-f&src=s&sid=082cb2bc81b83776713f7890bee4acc1&sot=b&sdt=b&s=DOI%2810.1007%2Fs12649-015-9447-3%29&sl=30&sessionSearchId=082cb2bc81b83776713f7890bee4acc1&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=WASTE%20BIOMASS%20VALORI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000373085100014
• Triple benefit of manure and solid slaughterhouse waste rendering products co-digestion : simple concept, increased volumetric biogas production and fertilizer valuePitk, PeepManuREsource 2013 : International conference on manure management and valorization, December 5-6 2013, Bruges, Belgium2013