Sofular, Hüseyin Şerif. Dalgıçlığın tarihi / by Hüseyin Şerif Sofular. - Istanbul : [s.n.], 1998. - 112 p. : ill., photo ; 24 cm. - Scuba I . - Scuba I . This book is in Turkish. ISBN: 9759623412 Subjects--Topical Terms: Diving.Scuba diving.