@misc{indiciaec487adb95a8d, title = {Hyperconjugation and light absorption.}, author = {M PIANKA and H C BARANY and C G SMITH}, year = {1951}, doi = {10.1038/167440a0}, url = {https://pubmed.ncbi.nlm.nih.gov/14826788/}, note = {Source identifier: 14826788} }