2 ms·CAR and CDR https://en.m.wikipedia.org/wiki/CAR_and_CDR https://en.m.wikipedia.org/wiki/CAR_and_CDRby lispfan01 9y agoCAR and CDR https://en.m.wikipedia.org/wiki/CAR_and_CDR https://en.m.wikipedia.org/wiki/CAR_and_CDR