TK Electrical engineering. Electronics Nuclear engineering 5 QC Physics 3 article 3 nonhuman 3 India 2 Paris agreement 2 QA75 Electronic computers. Computer science 2 Reconstruction 2 Regeneration 2 TA Engineering (General). Civil engineering (General) 2 TP Chemical technology 2 controlled study 2 dark matter 2 excitation forces 2 explant 2 forecast accuracy 2 in vitro study 2 light 2 physiology 2 phytohormone 2 plant regeneration 2 plant root 2 regeneration 2 stability 2 1 naphthylacetic acid 1 1-Absorbing primary ideal 1 2-Absorbing ideal 1 2-Absorbing primary ideal 1 2-class group 1 2-rank 1