Natyashastra
कलिकं कलिकं चेष्टं तथैव प्रत्युपोहनम् । एतदेव द्विगुणितं विज्ञेयं तु चतुष्कलम् ॥ २३९॥
The Kalika and the Kalika action should be applied, and similarly the Pratyupohana. This, when doubled, is to be understood as the four-Kalā measure.
english translation
kalikaM kalikaM ceSTaM tathaiva pratyupohanam । etadeva dviguNitaM vijJeyaM tu catuSkalam ॥ 239॥
hk transliteration by Sanscript