TY  - RPRT
TI  - [The closed system (author's transl)].
AU  - J W Mostert
AU  - I S Goldberg
AU  - E F Lanzl
AU  - H J Lowe
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/907085/
ID  - 907085
ER  -