Tiwari P, Vora P, Srinivasan S, Bhattacharjee R. 3-D Modified Proportional Navigation Guidance Law based on a Total Demand Vector Concept. DSJ [Internet]. 1Jul.2005 [cited 26Sep.2020];55(3):281-9. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1992