| 000 | 00480nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 230524s9999 xx 000 0 und d | ||
| 040 | _cUDSM | ||
| 050 | _aHM131.K92 | ||
| 100 | _aKroptkin, Petr Alekseevich | ||
| 245 | 0 | _aMutual aid: a factor of evolution | |
| 260 | _aBoston | ||
| 260 | _bExtending Horizon Books | ||
| 260 | _c1955 | ||
| 300 | _axix,362p. | ||
| 300 | _c22cm. | ||
| 650 | _aCooperation | ||
| 942 | _2Library of Congress Classification | ||
| 942 | _cBook | ||
| 999 |
_c92870 _d92870 |
||