Vector field guidance for path following of MAVs in three dimensions for variable altitude maneuvers
S.M .Vaitheeswaran,.; Venkatanarayana, K.G; Sashikanth, B," Vector field guidance for path following of MAVs in three dimensions for variable altitude maneuvers" International Journal of Micro Air Vehicles: 2, 4, 255-265, 2010
url= "https://doi.org/10.1260/1756-8293.2.4.255"