Ho, Y. W., & Chou, S. L. Thioxopyrimidine in Heterocyclic Synthesis II: Novel Synthesis of Some Triazoles and Triazepine Derivatives with a Pyrimido[3,2:4,5]thieno[2,3-d]pyrimidine Skeleton. Wiley.
Chicago Style (17th ed.) CitationHo, Yuh Wen, and Se Long Chou. Thioxopyrimidine in Heterocyclic Synthesis II: Novel Synthesis of Some Triazoles and Triazepine Derivatives with a Pyrimido[3,2:4,5]thieno[2,3-d]pyrimidine Skeleton. Wiley.
MLA (9th ed.) CitationHo, Yuh Wen, and Se Long Chou. Thioxopyrimidine in Heterocyclic Synthesis II: Novel Synthesis of Some Triazoles and Triazepine Derivatives with a Pyrimido[3,2:4,5]thieno[2,3-d]pyrimidine Skeleton. Wiley.
Warning: These citations may not always be 100% accurate.