ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Carter1 suggested that the measure of productivity be the number of mice born and weaned, divided by the number of prenatal days. This index will be less than 1-0, occasionally less than 0-1, and to be useful it will contain two significant figures. Later it was suggested2 that the reciprocal of ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/183339a0