Books

  • V. Tsihrintzis, P. Gikas and A. Angelakis 2008, "Management of Biosolids with Emphasis on National and International Legislation", Edited Book, Hellenic Union of Municipal Enterprises for Water Supply and Sewerage, Larisa, Greece, ISBN: 978-960-88318-1-0

Book Chapters

  • P. Gikas, 2011, "Sustainable Development of Water Resources at the Greek Islands", in: Water for the Islands, Edited Book, Livanis Publishers, Athens, ISDN: 978-960-99550-2-7, Pp.: 11-38
  •  P. Gikas, 2008, "Sludge drying at the Wastewater treatment Plant of Athens on Psyttaleia Island", in: "Management of Biosolids with Emphasis on National and International Legislation", Eds: V. Tsihrintzis, P. Gikas and A. Angelakis, "Management of Biosolids with Emphasis on National and International Legislation", Edited Book, Hellenic Union of Municipal Enterprises for Water Supply and Sewerage, Larisa, Greece, Pp.: 125-135