The Harper encyclopedia of science /
Edited by James R. Newman.
- 1st ed.
- New york : Harper & Row, c 1963.
- Vols. : ill. ; 28 cm.
V. 2- (E through L) ;
334 334
Science--Encyclopedia.
503 / H231
V. 2- (E through L) ;
334 334
Science--Encyclopedia.
503 / H231