@electronic{doi.org,
   title       = {Bitcoin's Growing Energy Problem}, 
   url         = {https://doi.org/10.1016/j.joule.2018.04.016},
   biburl      = {https://puma.uni-kassel.de/url/fe2fd05087ed30fa908b7ce1ab987cf1/03367797},
   keywords    = {bitcoin dlt energy},
   added-at    = {2018-11-02T11:15:27.000+0100},
   description = {Alex de Vries: Study abaout Bitcoins Energy Consumption},
   interhash   = {fe2fd05087ed30fa908b7ce1ab987cf1}, 
   intrahash   = {fe2fd05087ed30fa908b7ce1ab987cf1}
}

@electronic{forum.ubuntuusers.de,
   title       = {Standby bei Zuklappen, obwohl in Energieverwaltung deaktiviert › XFCE (Xubuntu) › Forum › ubuntuusers.de}, 
   url         = {http://forum.ubuntuusers.de/topic/standby-bei-zuklappen-obwohl-in-energieverwalt/},
   biburl      = {https://puma.uni-kassel.de/url/e3624dd220e005770a3ea2e6bcdc28ce/hotho},
   keywords    = {energy laptop standby ubuntu},
   added-at    = {2014-09-15T09:52:16.000+0200},
   description = {},
   interhash   = {e3624dd220e005770a3ea2e6bcdc28ce}, 
   intrahash   = {e3624dd220e005770a3ea2e6bcdc28ce}
}

@electronic{www.eb-systeme.de,
   title       = {SMA Energy Meter » smart charging + smart home + smart ev}, 
   url         = {http://www.eb-systeme.de/?page_id=1240},
   biburl      = {https://puma.uni-kassel.de/url/6ab7ade934c1defd5fe946d4012f598a/hotho},
   keywords    = {energy meter protokoll sma},
   added-at    = {2014-04-06T17:33:59.000+0200},
   description = {},
   interhash   = {6ab7ade934c1defd5fe946d4012f598a}, 
   intrahash   = {6ab7ade934c1defd5fe946d4012f598a}
}

@electronic{murderandcreate.com,
   title       = {traer physics library}, 
   url         = {http://murderandcreate.com/physics/},
   biburl      = {https://puma.uni-kassel.de/url/da817430e7b606180893e01182e1fc4e/benz},
   keywords    = {energy graph layout lib library physics software traer},
   added-at    = {2011-03-10T23:23:06.000+0100},
   description = {A simple particle system physics engine for processing. I've designed this to be application / domain agnostic. All this is supposed to do is let you make particles, apply forces and calculate the positions of particles over time in real-time. Anything else you need to handle yourself. },
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   intrahash   = {da817430e7b606180893e01182e1fc4e}
}