Thomas L. Gilchrist, . (2005). Heterocyclic chemistry. : pearson education pvt ltd patparganj.
Thomas L. Gilchrist, . 2005. Heterocyclic chemistry. : pearson education pvt ltd patparganj.
Thomas L. Gilchrist, . Heterocyclic chemistry. : pearson education pvt ltd patparganj. 2005.
