TY  - BOOK
AU  - Planck,Max
AU  - Clarke,Hans Thacher
AU  - Silberstein,Ludwik
TI  - The Origin and Development of the Quantum Theory
AV  - QC 
PY  - 2010///
CY  - Salt Lake City, UT
PB  - Project Gutenberg
KW  - Quantum theory
N1  - Release date is 2010-09-07; Original publication data not identified
UR  - https://archive.org/details/origindevelopmen00planrich/page/n1/mode/2up
UR  - https://www.gutenberg.org/ebooks/33663
ER  -