Article Ikeyama, Setsuro (1999)
Calculation of “small sun of days” (laghvahargana) of Indian astronomy. (In Japanese). 科学史研究 Kagakusi Kenkyu (History of Science) (pp. 21-26). (/isis/citation/CBB000081139/) unapi

Article Kak, Subhash C. (1998)
Early theories on the distance to the sun. Indian Journal of History of Science (pp. 93-100). (/isis/citation/CBB000081140/) unapi

Article Hari, K. Chandra (1998)
On the origin of “Kaliyugādi” synodic super-conjuction. Indian Journal of History of Science (pp. 193-200). (/isis/citation/CBB000081138/) unapi

Book Varadarajan, V.S. (1998)
Algebra in ancient and modern times. (/isis/citation/CBB000078729/) unapi

Article Rao, C.S. (1998)
Śrīyantra: A study of spherical and plane forms. Indian Journal of History of Science (pp. 203-227). (/isis/citation/CBB000081144/) unapi

Article Kak, Subhash C. (1998)
Sāyaṇa's astronomy. Indian Journal of History of Science (pp. 31-36). (/isis/citation/CBB000077489/) unapi

Article Hayashi, Takao (1998)
Twenty-one algebraic normal forms of Citrabhānu. Historia Mathematica (pp. 1-21). (/isis/citation/CBB000076929/) unapi

Article Dongre, N.G. (1998)
Spectroscopy in ancient India: An application of spectroscopy to astrophysics. Indian Journal of History of Science (pp. 229-238). (/isis/citation/CBB000081137/) unapi

Article Nīlakaṇṭha Somayāji, (1998)
Tantrasaṃgraha. Sanskrit, English translation and exposition in terms of modern mathematics. Text by Sarma, K.V., with English translation by Narasimhan, V.S.. Indian Journal of History of Science (p. 49). (/isis/citation/CBB000081143/) unapi

Article Chatterjee, S.K. (1998)
Traditional calendar of Myanmar (Burma). Indian Journal of History of Science (pp. 143-160). (/isis/citation/CBB000081136/) unapi

Article Mukhopadhyay, A.; Adhikari, M.R. (1998)
A step towards icommensurability of pi and Bhāskara (I): An episode of the 6th century AD. Indian Journal of History of Science (pp. 119-129). (/isis/citation/CBB000081142/) unapi

Article Kak, Subhash C. (1998)
Vena, Veda, Venus. Indian Journal of History of Science (pp. 25-30). (/isis/citation/CBB000077487/) unapi

Article Thurston, Hugh (1998)
Mediaeval Indians and the planets. DIO (pp. 18-20). (/isis/citation/CBB000081146/) unapi

Article Kak, Subhash (1998)
The Sun's orbit in the Brāhmaṇas. Indian Journal of History of Science (pp. 175-191). (/isis/citation/CBB000081141/) unapi

Article Kak, Subhash C. (1997)
Three old Indian values of pi. Indian Journal of History of Science (pp. 307-314). (/isis/citation/CBB000077478/) unapi

Article Mishra, V.; Singh, S.L. (1997)
First degree indeterminate analysis in ancient India and its application by Vīrasena. Indian Journal of History of Science (pp. 127-133). (/isis/citation/CBB000074049/) unapi

Article Mukhopadhyay, A.; Adhikari, M.R. (1997)
The concept of cyclic quadrilaterals: Its origins and development in India from the age of Sulba Śūtras to Bhāskara I. Indian Journal of History of Science (pp. 53-68). (/isis/citation/CBB000074055/) unapi

Article Hayashi, Takao (1997)
Āryabhaṭa's rule and table for sine-differences. Historia Mathematica (pp. 396-406). (/isis/citation/CBB000076917/) unapi

Article Guhe, Eberhard (1997)
Differentiations- und Integrationsprobleme in der indischen Mathematik. Wiener Zeitschrift für die Kunde Südasiens und Archiv für Indische Philosophie (pp. 99-117). (/isis/citation/CBB000071760/) unapi

Article Ohashi, Yukio (1997)
Early history of the astrolabe in India. Indian Journal of History of Science (pp. 199-295). (/isis/citation/CBB000077453/) unapi