TY - BOOK AU - Avtar, Ram AU - Watanabe, Teiji TI - Unmanned aerial vehicle: applications in agriculture and environment SN - 9783030271596 U1 - 631.3 23 PY - 2020/// CY - Switzerland PB - Springer KW - Drone aircraft KW - Aeronautics in agriculture KW - Physical geography KW - Remote sensing KW - Geotechnical engineering KW - Agriculture KW - Geophysics ER -