Brihat Samhita
चक्रधनुःशृङ्गाटकदण्डपुरप्रासवज्रसंस्थानाः । क्षुद्वृष्टिकरा लोके समराय च मानवैन्द्राणाम् ॥ २०-०२ ॥
If when the planets meet so as to form a circle, a bow, a triangle, a rod, a citadel, a lance or a Vajrāyuddha, mankind will suffer from starvation, from drought and from war.
english translation
cakradhanuHzRGgATakadaNDapuraprAsavajrasaMsthAnAH । kSudvRSTikarA loke samarAya ca mAnavaindrANAm ॥ 20-02 ॥
hk transliteration by Sanscript