TY  - BOOK
AU  - Heisenberg,Werner
AU  - Heath,Peter
TI  - Across the frontiers.
SN  - 0060118245
U1  - 530.1 
PY  - 1974///
CY  - New York
PB  - Harper & Row
KW  - Physics
KW  - Philosophy
KW  - Science
N1  - Translation of Schritte uber Grenzen; Includes bibliographical references
ER  -