published on: 2014-11-01 01:08:21
pspspsps
pspspsps
Lemniscate of Bernoulli
Lemniscate of Bernoulli
pspspsps
sitxlys: *visit my tumblr *
published on: 2014-11-01 01:08:21
pspspsps
pspspsps
Lemniscate of Bernoulli
Lemniscate of Bernoulli
pspspsps
sitxlys: *visit my tumblr *