Bhardwaj, D. K.; Jain, R. K.; Malhotra, V. P., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 7, p. 685 - 686
Bhardwaj, D. K.; Jain, R. K.; Malhotra, V. P., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1982, vol. 21, # 7, p. 685 - 686