TY  - BOOK
AU  - Marsden C.
TI  - Mammillaria
U1  - 635.93347 
PY  - 1957///
CY  - London
PB  - Cleaver-Hume Press
KW  - Mamillaria (Cactus)
KW  - Cactus
KW  - Varieties
N1  - Includes index
ER  -