TY  - BOOK
AU  - Marsden C
TI  - Mammillaria
T2  - Cacticulture series book; 11
U1  - J15C1, J7   CS 
PY  - 1957///
CY  - London
PB  - Cleaver-Hume         
KW  -  Horticulture
KW  - Agriculture
ER  -