S3095: Dpal gsaṅ ba 'dus pa'i dam pa'i chos byuṅ ba'i tshul legs par bśad pa gsaṅ 'dus chos kun gsal ba'i ñin byed, Dpal gsaṅ ba 'dus pa'i dkyil 'khor 'khor lo sgrub pa'i thabs rnam par bśad pa ṅes don phrin las rgya mtsho'i 'byuṅ gnas: a history and detailed exegesis of the Guhyasamāja tantric cycle in India and Tibet and its practice